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        <a href="psychsim-module.html">Package&nbsp;psychsim</a> ::
        Module&nbsp;agent
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<h1 class="epydoc">Source Code for <a href="psychsim.agent-module.html">Module psychsim.agent</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">copy</tt> </tt>
<a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">math</tt> </tt>
<a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">random</tt> </tt>
<a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">StringIO</tt> </tt>
<a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">xml</tt><tt class="py-op">.</tt><tt class="py-name">dom</tt><tt class="py-op">.</tt><tt class="py-name">minidom</tt> <tt class="py-keyword">import</tt> <tt class="py-name">Document</tt><tt class="py-op">,</tt><tt class="py-name">Node</tt> </tt>
<a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line"> </tt>
<a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-0" class="py-name" targets="Module psychsim.action=psychsim.action-module.html"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-0', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">import</tt> <tt id="link-1" class="py-name" targets="Class psychsim.action.Action=psychsim.action.Action-class.html"><a title="psychsim.action.Action" class="py-name" href="#" onclick="return doclink('link-1', 'Action', 'link-1');">Action</a></tt><tt class="py-op">,</tt><tt id="link-2" class="py-name" targets="Class psychsim.action.ActionSet=psychsim.action.ActionSet-class.html"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-2', 'ActionSet', 'link-2');">ActionSet</a></tt> </tt>
<a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-3" class="py-name" targets="Module psychsim.pwl=psychsim.pwl-module.html"><a title="psychsim.pwl" class="py-name" href="#" onclick="return doclink('link-3', 'pwl', 'link-3');">pwl</a></tt> <tt class="py-keyword">import</tt> <tt class="py-op">*</tt> </tt>
<a name="L9"></a><tt class="py-lineno">  9</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-4" class="py-name" targets="Module psychsim.probability=psychsim.probability-module.html"><a title="psychsim.probability" class="py-name" href="#" onclick="return doclink('link-4', 'probability', 'link-4');">probability</a></tt> <tt class="py-keyword">import</tt> <tt id="link-5" class="py-name" targets="Class psychsim.probability.Distribution=psychsim.probability.Distribution-class.html"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-5', 'Distribution', 'link-5');">Distribution</a></tt> </tt>
<a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line"> </tt>
<a name="Agent"></a><div id="Agent-def"><a name="L11"></a><tt class="py-lineno"> 11</tt> <a class="py-toggle" href="#" id="Agent-toggle" onclick="return toggle('Agent');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html">Agent</a><tt class="py-op">:</tt> </tt>
</div><div id="Agent-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="Agent-expanded"><a name="L12"></a><tt class="py-lineno"> 12</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L13"></a><tt class="py-lineno"> 13</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar name: agent name</tt> </tt>
<a name="L14"></a><tt class="py-lineno"> 14</tt>  <tt class="py-line"><tt class="py-docstring">    @type name: str</tt> </tt>
<a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar world: the environment that this agent inhabits</tt> </tt>
<a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line"><tt class="py-docstring">    @type world: L{World&lt;psychsim.world.World&gt;}</tt> </tt>
<a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar actions: the set of possible actions that the agent can choose from</tt> </tt>
<a name="L18"></a><tt class="py-lineno"> 18</tt>  <tt class="py-line"><tt class="py-docstring">    @type actions: {L{Action}}</tt> </tt>
<a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar legal: a set of conditions under which certain action choices are allowed (default is that all actions are allowed at all times)</tt> </tt>
<a name="L20"></a><tt class="py-lineno"> 20</tt>  <tt class="py-line"><tt class="py-docstring">    @type legal: L{ActionSet}S{-&gt;}L{KeyedPlane}</tt> </tt>
<a name="L21"></a><tt class="py-lineno"> 21</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar omega: the set of possible observations this agent may receive</tt> </tt>
<a name="L22"></a><tt class="py-lineno"> 22</tt>  <tt class="py-line"><tt class="py-docstring">    @type ivar omega: {str}</tt> </tt>
<a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar O: the observation function; default is C{True}, which means perfect observations of actions</tt> </tt>
<a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line"><tt class="py-docstring">    @type O: L{KeyedTree}</tt> </tt>
<a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line"> </tt>
<a name="Agent.__init__"></a><div id="Agent.__init__-def"><a name="L27"></a><tt class="py-lineno"> 27</tt> <a class="py-toggle" href="#" id="Agent.__init__-toggle" onclick="return toggle('Agent.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">name</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.__init__-expanded"><a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-6" class="py-name" targets="Module psychsim.world=psychsim.world-module.html"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-6', 'world', 'link-6');">world</a></tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">actions</tt> <tt class="py-op">=</tt> <tt id="link-7" class="py-name" targets="Method psychsim.agent.ValueFunction.set()=psychsim.agent.ValueFunction-class.html#set,Method psychsim.probability.Distribution.set()=psychsim.probability.Distribution-class.html#set"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-7', 'set', 'link-7');">set</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">legal</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L31"></a><tt class="py-lineno"> 31</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">omega</tt> <tt class="py-op">=</tt> <tt id="link-8" class="py-name"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-8', 'set', 'link-7');">set</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">O</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L33"></a><tt class="py-lineno"> 33</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L34"></a><tt class="py-lineno"> 34</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">modelList</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L35"></a><tt class="py-lineno"> 35</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">Document</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L36"></a><tt class="py-lineno"> 36</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-9" class="py-name" targets="Method psychsim.action.Action.parse()=psychsim.action.Action-class.html#parse,Method psychsim.agent.Agent.parse()=psychsim.agent.Agent-class.html#parse,Method psychsim.agent.ValueFunction.parse()=psychsim.agent.ValueFunction-class.html#parse,Method psychsim.probability.Distribution.parse()=psychsim.probability.Distribution-class.html#parse,Method psychsim.pwl.KeyedMatrix.parse()=psychsim.pwl.KeyedMatrix-class.html#parse,Method psychsim.pwl.KeyedPlane.parse()=psychsim.pwl.KeyedPlane-class.html#parse,Method psychsim.pwl.KeyedTree.parse()=psychsim.pwl.KeyedTree-class.html#parse,Method psychsim.pwl.KeyedVector.parse()=psychsim.pwl.KeyedVector-class.html#parse,Method psychsim.world.World.parse()=psychsim.world.World-class.html#parse"><a title="psychsim.action.Action.parse
psychsim.agent.Agent.parse
psychsim.agent.ValueFunction.parse
psychsim.probability.Distribution.parse
psychsim.pwl.KeyedMatrix.parse
psychsim.pwl.KeyedPlane.parse
psychsim.pwl.KeyedTree.parse
psychsim.pwl.KeyedVector.parse
psychsim.world.World.parse" class="py-name" href="#" onclick="return doclink('link-9', 'parse', 'link-9');">parse</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L37"></a><tt class="py-lineno"> 37</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">Node</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-10" class="py-name"><a title="psychsim.action.Action.parse
psychsim.agent.Agent.parse
psychsim.agent.ValueFunction.parse
psychsim.probability.Distribution.parse
psychsim.pwl.KeyedMatrix.parse
psychsim.pwl.KeyedPlane.parse
psychsim.pwl.KeyedTree.parse
psychsim.pwl.KeyedVector.parse
psychsim.world.World.parse" class="py-name" href="#" onclick="return doclink('link-10', 'parse', 'link-9');">parse</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L39"></a><tt class="py-lineno"> 39</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L40"></a><tt class="py-lineno"> 40</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt> <tt class="py-op">=</tt> <tt class="py-name">name</tt> </tt>
<a name="L41"></a><tt class="py-lineno"> 41</tt>  <tt class="py-line">            <tt class="py-comment"># Default model settings</tt> </tt>
<a name="L42"></a><tt class="py-lineno"> 42</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-11" class="py-name" targets="Method psychsim.agent.Agent.addModel()=psychsim.agent.Agent-class.html#addModel"><a title="psychsim.agent.Agent.addModel" class="py-name" href="#" onclick="return doclink('link-11', 'addModel', 'link-11');">addModel</a></tt><tt class="py-op">(</tt><tt class="py-name">True</tt><tt class="py-op">,</tt><tt class="py-name">R</tt><tt class="py-op">=</tt><tt class="py-op">{</tt><tt class="py-op">}</tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt><tt class="py-op">=</tt><tt class="py-number">2</tt><tt class="py-op">,</tt><tt class="py-name">level</tt><tt class="py-op">=</tt><tt class="py-number">2</tt><tt class="py-op">,</tt><tt class="py-name">rationality</tt><tt class="py-op">=</tt><tt class="py-number">0.9</tt><tt class="py-op">,</tt><tt class="py-name">discount</tt><tt class="py-op">=</tt><tt class="py-number">1.</tt><tt class="py-op">)</tt> </tt>
</div><a name="L43"></a><tt class="py-lineno"> 43</tt>  <tt class="py-line"> </tt>
<a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L45"></a><tt class="py-lineno"> 45</tt>  <tt class="py-line">    <tt class="py-string">"""Policy methods"""</tt> </tt>
<a name="L46"></a><tt class="py-lineno"> 46</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L47"></a><tt class="py-lineno"> 47</tt>  <tt class="py-line"> </tt>
<a name="Agent.decide"></a><div id="Agent.decide-def"><a name="L48"></a><tt class="py-lineno"> 48</tt> <a class="py-toggle" href="#" id="Agent.decide-toggle" onclick="return toggle('Agent.decide');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#decide">decide</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">,</tt><tt class="py-param">horizon</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">others</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">,</tt><tt class="py-param">tiebreak</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.decide-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.decide-expanded"><a name="L49"></a><tt class="py-lineno"> 49</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L50"></a><tt class="py-lineno"> 50</tt>  <tt class="py-line"><tt class="py-docstring">        Generate an action choice for this agent in the given state</tt> </tt>
<a name="L51"></a><tt class="py-lineno"> 51</tt>  <tt class="py-line"><tt class="py-docstring">        @param vector: the current state in which the agent is making its decision</tt> </tt>
<a name="L52"></a><tt class="py-lineno"> 52</tt>  <tt class="py-line"><tt class="py-docstring">        @type vector: L{KeyedVector}</tt> </tt>
<a name="L53"></a><tt class="py-lineno"> 53</tt>  <tt class="py-line"><tt class="py-docstring">        @param horizon: the value function horizon (default is use horizon specified in model)</tt> </tt>
<a name="L54"></a><tt class="py-lineno"> 54</tt>  <tt class="py-line"><tt class="py-docstring">        @type horizon: int</tt> </tt>
<a name="L55"></a><tt class="py-lineno"> 55</tt>  <tt class="py-line"><tt class="py-docstring">        @param others: the optional action choices of other agents in the current time step</tt> </tt>
<a name="L56"></a><tt class="py-lineno"> 56</tt>  <tt class="py-line"><tt class="py-docstring">        @type others: strS{-&gt;}L{ActionSet}</tt> </tt>
<a name="L57"></a><tt class="py-lineno"> 57</tt>  <tt class="py-line"><tt class="py-docstring">        @param model: the mental model to use (default is C{True})</tt> </tt>
<a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line"><tt class="py-docstring">        @type model: str</tt> </tt>
<a name="L59"></a><tt class="py-lineno"> 59</tt>  <tt class="py-line"><tt class="py-docstring">        @param tiebreak: what to do in case multiple actions have the same expected value</tt> </tt>
<a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line"><tt class="py-docstring">           - random: choose one of the actions at random</tt> </tt>
<a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line"><tt class="py-docstring">           - distribution: return a uniform distribution over the actions</tt> </tt>
<a name="L62"></a><tt class="py-lineno"> 62</tt>  <tt class="py-line"><tt class="py-docstring">           - None: make a deterministic choice among the actions (default)</tt> </tt>
<a name="L63"></a><tt class="py-lineno"> 63</tt>  <tt class="py-line"><tt class="py-docstring">        @type tiebreak: str</tt> </tt>
<a name="L64"></a><tt class="py-lineno"> 64</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L65"></a><tt class="py-lineno"> 65</tt>  <tt class="py-line">        <tt class="py-comment"># What are my subjective beliefs for this decision?</tt> </tt>
<a name="L66"></a><tt class="py-lineno"> 66</tt>  <tt class="py-line">        <tt class="py-name">belief</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-12" class="py-name" targets="Method psychsim.agent.Agent.getBelief()=psychsim.agent.Agent-class.html#getBelief"><a title="psychsim.agent.Agent.getBelief" class="py-name" href="#" onclick="return doclink('link-12', 'getBelief', 'link-12');">getBelief</a></tt><tt class="py-op">(</tt><tt class="py-name">model</tt><tt class="py-op">,</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt> </tt>
<a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line">        <tt class="py-comment"># Do I have a policy telling me what to do?</tt> </tt>
<a name="L68"></a><tt class="py-lineno"> 68</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'policy'</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L69"></a><tt class="py-lineno"> 69</tt>  <tt class="py-line">            <tt class="py-keyword">assert</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">belief</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">1</tt><tt class="py-op">,</tt><tt class="py-string">'Unable to apply PWL policies to uncertain beliefs'</tt> </tt>
<a name="L70"></a><tt class="py-lineno"> 70</tt>  <tt class="py-line">            <tt id="link-13" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-13', 'action', 'link-0');">action</a></tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'policy'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">belief</tt><tt class="py-op">.</tt><tt id="link-14" class="py-name" targets="Method psychsim.probability.Distribution.domain()=psychsim.probability.Distribution-class.html#domain"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-14', 'domain', 'link-14');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> </tt>
<a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt id="link-15" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-15', 'action', 'link-0');">action</a></tt><tt class="py-op">:</tt> </tt>
<a name="L72"></a><tt class="py-lineno"> 72</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt id="link-16" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-16', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt id="link-17" class="py-name"><a title="psychsim.action.Action" class="py-name" href="#" onclick="return doclink('link-17', 'Action', 'link-1');">Action</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L73"></a><tt class="py-lineno"> 73</tt>  <tt class="py-line">                    <tt id="link-18" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-18', 'action', 'link-0');">action</a></tt> <tt class="py-op">=</tt> <tt id="link-19" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-19', 'ActionSet', 'link-2');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt id="link-20" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-20', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L74"></a><tt class="py-lineno"> 74</tt>  <tt class="py-line">                <tt class="py-keyword">return</tt> <tt class="py-op">{</tt><tt class="py-string">'action'</tt><tt class="py-op">:</tt> <tt id="link-21" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-21', 'action', 'link-0');">action</a></tt><tt class="py-op">}</tt> </tt>
<a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">horizon</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L76"></a><tt class="py-lineno"> 76</tt>  <tt class="py-line">            <tt class="py-name">horizon</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'horizon'</tt><tt class="py-op">]</tt> </tt>
<a name="L77"></a><tt class="py-lineno"> 77</tt>  <tt class="py-line">        <tt class="py-comment"># Consider all legal actions (legality determined by *real* world, not my belief)</tt> </tt>
<a name="L78"></a><tt class="py-lineno"> 78</tt>  <tt class="py-line">        <tt class="py-name">actions</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-22" class="py-name" targets="Method psychsim.agent.Agent.getActions()=psychsim.agent.Agent-class.html#getActions,Method psychsim.world.World.getActions()=psychsim.world.World-class.html#getActions"><a title="psychsim.agent.Agent.getActions
psychsim.world.World.getActions" class="py-name" href="#" onclick="return doclink('link-22', 'getActions', 'link-22');">getActions</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt> </tt>
<a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">actions</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line">            <tt class="py-comment"># Someone made a boo-boo because there is no legal action for this agent right now</tt> </tt>
<a name="L81"></a><tt class="py-lineno"> 81</tt>  <tt class="py-line">            <tt class="py-name">buf</tt> <tt class="py-op">=</tt> <tt class="py-name">StringIO</tt><tt class="py-op">.</tt><tt class="py-name">StringIO</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-23" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-23', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt id="link-24" class="py-name" targets="Method psychsim.world.World.printVector()=psychsim.world.World-class.html#printVector"><a title="psychsim.world.World.printVector" class="py-name" href="#" onclick="return doclink('link-24', 'printVector', 'link-24');">printVector</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">,</tt><tt class="py-name">buf</tt><tt class="py-op">)</tt> </tt>
<a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line">            <tt class="py-name">msg</tt> <tt class="py-op">=</tt> <tt class="py-name">buf</tt><tt class="py-op">.</tt><tt class="py-name">getvalue</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L84"></a><tt class="py-lineno"> 84</tt>  <tt class="py-line">            <tt class="py-name">buf</tt><tt class="py-op">.</tt><tt class="py-name">close</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L85"></a><tt class="py-lineno"> 85</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">RuntimeError</tt><tt class="py-op">,</tt><tt class="py-string">'%s has no legal actions in:\n%s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">msg</tt><tt class="py-op">)</tt> </tt>
<a name="L86"></a><tt class="py-lineno"> 86</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">actions</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
<a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line">            <tt class="py-comment"># Only one possible action</tt> </tt>
<a name="L88"></a><tt class="py-lineno"> 88</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-op">{</tt><tt class="py-string">'action'</tt><tt class="py-op">:</tt> <tt class="py-name">iter</tt><tt class="py-op">(</tt><tt class="py-name">actions</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt id="link-25" class="py-name" targets="Method psychsim.world.World.next()=psychsim.world.World-class.html#next"><a title="psychsim.world.World.next" class="py-name" href="#" onclick="return doclink('link-25', 'next', 'link-25');">next</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">}</tt> </tt>
<a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line">        <tt class="py-comment"># Keep track of value function</tt> </tt>
<a name="L90"></a><tt class="py-lineno"> 90</tt>  <tt class="py-line">        <tt class="py-name">V</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L91"></a><tt class="py-lineno"> 91</tt>  <tt class="py-line">        <tt class="py-name">best</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L92"></a><tt class="py-lineno"> 92</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt id="link-26" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-26', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">actions</tt><tt class="py-op">:</tt> </tt>
<a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line">            <tt class="py-comment"># Compute value across possible worlds</tt> </tt>
<a name="L94"></a><tt class="py-lineno"> 94</tt>  <tt class="py-line">            <tt class="py-name">V</tt><tt class="py-op">[</tt><tt id="link-27" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-27', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'__EV__'</tt><tt class="py-op">:</tt> <tt class="py-number">0.</tt><tt class="py-op">}</tt> </tt>
<a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">state</tt> <tt class="py-keyword">in</tt> <tt class="py-name">belief</tt><tt class="py-op">.</tt><tt id="link-28" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-28', 'domain', 'link-14');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L96"></a><tt class="py-lineno"> 96</tt>  <tt class="py-line">                <tt class="py-name">V</tt><tt class="py-op">[</tt><tt id="link-29" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-29', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">state</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-30" class="py-name" targets="Method psychsim.agent.Agent.value()=psychsim.agent.Agent-class.html#value"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-30', 'value', 'link-30');">value</a></tt><tt class="py-op">(</tt><tt class="py-name">state</tt><tt class="py-op">,</tt><tt id="link-31" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-31', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt><tt class="py-op">,</tt><tt class="py-name">others</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">)</tt> </tt>
<a name="L97"></a><tt class="py-lineno"> 97</tt>  <tt class="py-line">                <tt class="py-name">V</tt><tt class="py-op">[</tt><tt id="link-32" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-32', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'__EV__'</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-name">belief</tt><tt class="py-op">[</tt><tt class="py-name">state</tt><tt class="py-op">]</tt><tt class="py-op">*</tt><tt class="py-name">V</tt><tt class="py-op">[</tt><tt id="link-33" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-33', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">state</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt> </tt>
<a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line">            <tt class="py-comment"># Determine whether this action is the best</tt> </tt>
<a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">best</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L100"></a><tt class="py-lineno">100</tt>  <tt class="py-line">                <tt class="py-name">best</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt id="link-34" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-34', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> </tt>
<a name="L101"></a><tt class="py-lineno">101</tt>  <tt class="py-line">            <tt class="py-keyword">elif</tt> <tt class="py-name">V</tt><tt class="py-op">[</tt><tt id="link-35" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-35', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'__EV__'</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">best</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'__EV__'</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line">                <tt class="py-name">best</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt id="link-36" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-36', 'action', 'link-0');">action</a></tt><tt class="py-op">)</tt> </tt>
<a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line">            <tt class="py-keyword">elif</tt> <tt class="py-name">V</tt><tt class="py-op">[</tt><tt id="link-37" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-37', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'__EV__'</tt><tt class="py-op">]</tt> <tt class="py-op">&gt;</tt> <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">best</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'__EV__'</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L104"></a><tt class="py-lineno">104</tt>  <tt class="py-line">                <tt class="py-name">best</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt id="link-38" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-38', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> </tt>
<a name="L105"></a><tt class="py-lineno">105</tt>  <tt class="py-line">        <tt class="py-name">result</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'V*'</tt><tt class="py-op">:</tt> <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">best</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'__EV__'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-string">'V'</tt><tt class="py-op">:</tt> <tt class="py-name">V</tt><tt class="py-op">}</tt> </tt>
<a name="L106"></a><tt class="py-lineno">106</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">best</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
<a name="L107"></a><tt class="py-lineno">107</tt>  <tt class="py-line">            <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'action'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">best</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L108"></a><tt class="py-lineno">108</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">tiebreak</tt> <tt class="py-op">==</tt> <tt class="py-string">'random'</tt><tt class="py-op">:</tt> </tt>
<a name="L109"></a><tt class="py-lineno">109</tt>  <tt class="py-line">            <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'action'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">random</tt><tt class="py-op">.</tt><tt id="link-39" class="py-name" targets="Method psychsim.probability.Distribution.sample()=psychsim.probability.Distribution-class.html#sample"><a title="psychsim.probability.Distribution.sample" class="py-name" href="#" onclick="return doclink('link-39', 'sample', 'link-39');">sample</a></tt><tt class="py-op">(</tt><tt class="py-name">best</tt><tt class="py-op">,</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L110"></a><tt class="py-lineno">110</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">tiebreak</tt> <tt class="py-op">==</tt> <tt class="py-string">'distribution'</tt><tt class="py-op">:</tt> </tt>
<a name="L111"></a><tt class="py-lineno">111</tt>  <tt class="py-line">            <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'action'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L112"></a><tt class="py-lineno">112</tt>  <tt class="py-line">            <tt class="py-name">prob</tt> <tt class="py-op">=</tt> <tt class="py-number">1.</tt><tt class="py-op">/</tt><tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">best</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L113"></a><tt class="py-lineno">113</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt id="link-40" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-40', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">best</tt><tt class="py-op">:</tt> </tt>
<a name="L114"></a><tt class="py-lineno">114</tt>  <tt class="py-line">                <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'action'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-41" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-41', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">prob</tt> </tt>
<a name="L115"></a><tt class="py-lineno">115</tt>  <tt class="py-line">            <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'action'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-42" class="py-name"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-42', 'Distribution', 'link-5');">Distribution</a></tt><tt class="py-op">(</tt><tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'action'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L116"></a><tt class="py-lineno">116</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L117"></a><tt class="py-lineno">117</tt>  <tt class="py-line">            <tt class="py-keyword">assert</tt> <tt class="py-name">tiebreak</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-string">'Unknown tiebreaking method: %s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">tiebreak</tt><tt class="py-op">)</tt> </tt>
<a name="L118"></a><tt class="py-lineno">118</tt>  <tt class="py-line">            <tt class="py-name">best</tt><tt class="py-op">.</tt><tt class="py-name">sort</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L119"></a><tt class="py-lineno">119</tt>  <tt class="py-line">            <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'action'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">best</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L120"></a><tt class="py-lineno">120</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">result</tt> </tt>
</div><a name="L121"></a><tt class="py-lineno">121</tt>  <tt class="py-line">                 </tt>
<a name="Agent.value"></a><div id="Agent.value-def"><a name="L122"></a><tt class="py-lineno">122</tt> <a class="py-toggle" href="#" id="Agent.value-toggle" onclick="return toggle('Agent.value');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#value">value</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">,</tt><tt class="py-param">action</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">horizon</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">others</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.value-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.value-expanded"><a name="L123"></a><tt class="py-lineno">123</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L124"></a><tt class="py-lineno">124</tt>  <tt class="py-line"><tt class="py-docstring">        Computes the expected value of a state vector (and optional action choice) to this agent</tt> </tt>
<a name="L125"></a><tt class="py-lineno">125</tt>  <tt class="py-line"><tt class="py-docstring">        @param vector: the state vector (not distribution) representing the possible world under consideration</tt> </tt>
<a name="L126"></a><tt class="py-lineno">126</tt>  <tt class="py-line"><tt class="py-docstring">        @type vector: L{KeyedVector}</tt> </tt>
<a name="L127"></a><tt class="py-lineno">127</tt>  <tt class="py-line"><tt class="py-docstring">        @param action: prescribed action choice for the agent to evaluate; if C{None}, then use agent's own action choice (default is C{None})</tt> </tt>
<a name="L128"></a><tt class="py-lineno">128</tt>  <tt class="py-line"><tt class="py-docstring">        @type action: L{ActionSet}</tt> </tt>
<a name="L129"></a><tt class="py-lineno">129</tt>  <tt class="py-line"><tt class="py-docstring">        @param horizon: the number of time steps to project into the future (default is agent's horizon)</tt> </tt>
<a name="L130"></a><tt class="py-lineno">130</tt>  <tt class="py-line"><tt class="py-docstring">        @type horizon: int</tt> </tt>
<a name="L131"></a><tt class="py-lineno">131</tt>  <tt class="py-line"><tt class="py-docstring">        @param others: optional table of actions being performed by other agents in this time step (default is no other actions)</tt> </tt>
<a name="L132"></a><tt class="py-lineno">132</tt>  <tt class="py-line"><tt class="py-docstring">        @type others: strS{-&gt;}L{ActionSet}</tt> </tt>
<a name="L133"></a><tt class="py-lineno">133</tt>  <tt class="py-line"><tt class="py-docstring">        @param model: the model of this agent to use (default is C{True})</tt> </tt>
<a name="L134"></a><tt class="py-lineno">134</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L135"></a><tt class="py-lineno">135</tt>  <tt class="py-line">        <tt class="py-comment"># Determine horizon</tt> </tt>
<a name="L136"></a><tt class="py-lineno">136</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">horizon</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L137"></a><tt class="py-lineno">137</tt>  <tt class="py-line">            <tt class="py-name">horizon</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'horizon'</tt><tt class="py-op">]</tt> </tt>
<a name="L138"></a><tt class="py-lineno">138</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">horizon</tt> <tt class="py-keyword">is</tt> <tt class="py-name">True</tt><tt class="py-op">:</tt> </tt>
<a name="L139"></a><tt class="py-lineno">139</tt>  <tt class="py-line">            <tt class="py-name">horizon</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">True</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'horizon'</tt><tt class="py-op">]</tt> </tt>
<a name="L140"></a><tt class="py-lineno">140</tt>  <tt class="py-line">        <tt class="py-comment"># Determine discount factor</tt> </tt>
<a name="L141"></a><tt class="py-lineno">141</tt>  <tt class="py-line">        <tt class="py-name">discount</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'discount'</tt><tt class="py-op">]</tt> </tt>
<a name="L142"></a><tt class="py-lineno">142</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">discount</tt> <tt class="py-keyword">is</tt> <tt class="py-name">True</tt><tt class="py-op">:</tt> </tt>
<a name="L143"></a><tt class="py-lineno">143</tt>  <tt class="py-line">            <tt class="py-name">discount</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">True</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'discount'</tt><tt class="py-op">]</tt> </tt>
<a name="L144"></a><tt class="py-lineno">144</tt>  <tt class="py-line">        <tt class="py-comment"># Compute immediate reward</tt> </tt>
<a name="L145"></a><tt class="py-lineno">145</tt>  <tt class="py-line">        <tt class="py-name">R</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-43" class="py-name" targets="Method psychsim.agent.Agent.reward()=psychsim.agent.Agent-class.html#reward"><a title="psychsim.agent.Agent.reward" class="py-name" href="#" onclick="return doclink('link-43', 'reward', 'link-43');">reward</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">)</tt> </tt>
<a name="L146"></a><tt class="py-lineno">146</tt>  <tt class="py-line">        <tt class="py-name">result</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'R'</tt><tt class="py-op">:</tt> <tt class="py-name">R</tt><tt class="py-op">,</tt> </tt>
<a name="L147"></a><tt class="py-lineno">147</tt>  <tt class="py-line">                  <tt class="py-string">'agent'</tt><tt class="py-op">:</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">,</tt> </tt>
<a name="L148"></a><tt class="py-lineno">148</tt>  <tt class="py-line">                  <tt class="py-string">'state'</tt><tt class="py-op">:</tt> <tt class="py-name">vector</tt><tt class="py-op">,</tt> </tt>
<a name="L149"></a><tt class="py-lineno">149</tt>  <tt class="py-line">                  <tt class="py-string">'horizon'</tt><tt class="py-op">:</tt> <tt class="py-name">horizon</tt><tt class="py-op">,</tt> </tt>
<a name="L150"></a><tt class="py-lineno">150</tt>  <tt class="py-line">                  <tt class="py-string">'projection'</tt><tt class="py-op">:</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">}</tt> </tt>
<a name="L151"></a><tt class="py-lineno">151</tt>  <tt class="py-line">        <tt class="py-comment"># Check for pre-computed value function</tt> </tt>
<a name="L152"></a><tt class="py-lineno">152</tt>  <tt class="py-line">        <tt class="py-name">V</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-44" class="py-name" targets="Method psychsim.agent.ValueFunction.get()=psychsim.agent.ValueFunction-class.html#get"><a title="psychsim.agent.ValueFunction.get" class="py-name" href="#" onclick="return doclink('link-44', 'get', 'link-44');">get</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">vector</tt><tt class="py-op">,</tt><tt id="link-45" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-45', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'ignore'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L153"></a><tt class="py-lineno">153</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">V</tt> <tt class="py-keyword">is</tt> <tt class="py-keyword">not</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L154"></a><tt class="py-lineno">154</tt>  <tt class="py-line">            <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">V</tt> </tt>
<a name="L155"></a><tt class="py-lineno">155</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L156"></a><tt class="py-lineno">156</tt>  <tt class="py-line">            <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">R</tt> </tt>
<a name="L157"></a><tt class="py-lineno">157</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">horizon</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt> <tt class="py-keyword">and</tt> <tt class="py-keyword">not</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-46" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-46', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt id="link-47" class="py-name" targets="Method psychsim.world.World.terminated()=psychsim.world.World-class.html#terminated"><a title="psychsim.world.World.terminated" class="py-name" href="#" onclick="return doclink('link-47', 'terminated', 'link-47');">terminated</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L158"></a><tt class="py-lineno">158</tt>  <tt class="py-line">                <tt class="py-comment"># Perform action(s)</tt> </tt>
<a name="L159"></a><tt class="py-lineno">159</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">others</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L160"></a><tt class="py-lineno">160</tt>  <tt class="py-line">                    <tt class="py-name">turn</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L161"></a><tt class="py-lineno">161</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L162"></a><tt class="py-lineno">162</tt>  <tt class="py-line">                    <tt class="py-name">turn</tt> <tt class="py-op">=</tt> <tt class="py-name">copy</tt><tt class="py-op">.</tt><tt class="py-name">copy</tt><tt class="py-op">(</tt><tt class="py-name">others</tt><tt class="py-op">)</tt> </tt>
<a name="L163"></a><tt class="py-lineno">163</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt id="link-48" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-48', 'action', 'link-0');">action</a></tt><tt class="py-op">:</tt> </tt>
<a name="L164"></a><tt class="py-lineno">164</tt>  <tt class="py-line">                    <tt class="py-name">turn</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-49" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-49', 'action', 'link-0');">action</a></tt> </tt>
<a name="L165"></a><tt class="py-lineno">165</tt>  <tt class="py-line">                <tt class="py-name">outcome</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-50" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-50', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt id="link-51" class="py-name" targets="Method psychsim.world.World.stepFromState()=psychsim.world.World-class.html#stepFromState"><a title="psychsim.world.World.stepFromState" class="py-name" href="#" onclick="return doclink('link-51', 'stepFromState', 'link-51');">stepFromState</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">,</tt><tt class="py-name">turn</tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt><tt class="py-op">)</tt> </tt>
<a name="L166"></a><tt class="py-lineno">166</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt id="link-52" class="py-name"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-52', 'Distribution', 'link-5');">Distribution</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L167"></a><tt class="py-lineno">167</tt>  <tt class="py-line">                    <tt class="py-comment"># Uncertain outcomes</tt> </tt>
<a name="L168"></a><tt class="py-lineno">168</tt>  <tt class="py-line">                    <tt class="py-name">future</tt> <tt class="py-op">=</tt> <tt id="link-53" class="py-name"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-53', 'Distribution', 'link-5');">Distribution</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L169"></a><tt class="py-lineno">169</tt>  <tt class="py-line">                    <tt class="py-keyword">for</tt> <tt class="py-name">newVector</tt> <tt class="py-keyword">in</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-54" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-54', 'domain', 'link-14');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L170"></a><tt class="py-lineno">170</tt>  <tt class="py-line">                        <tt class="py-name">entry</tt> <tt class="py-op">=</tt> <tt class="py-name">copy</tt><tt class="py-op">.</tt><tt class="py-name">copy</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">)</tt> </tt>
<a name="L171"></a><tt class="py-lineno">171</tt>  <tt class="py-line">                        <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'probability'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">newVector</tt><tt class="py-op">]</tt> </tt>
<a name="L172"></a><tt class="py-lineno">172</tt>  <tt class="py-line">                        <tt class="py-name">Vrest</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-55" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-55', 'value', 'link-30');">value</a></tt><tt class="py-op">(</tt><tt class="py-name">newVector</tt><tt class="py-op">,</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">,</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">)</tt> </tt>
<a name="L173"></a><tt class="py-lineno">173</tt>  <tt class="py-line">                        <tt class="py-name">entry</tt><tt class="py-op">.</tt><tt id="link-56" class="py-name" targets="Method psychsim.pwl.KeyedMatrix.update()=psychsim.pwl.KeyedMatrix-class.html#update,Method psychsim.pwl.MatrixDistribution.update()=psychsim.pwl.MatrixDistribution-class.html#update"><a title="psychsim.pwl.KeyedMatrix.update
psychsim.pwl.MatrixDistribution.update" class="py-name" href="#" onclick="return doclink('link-56', 'update', 'link-56');">update</a></tt><tt class="py-op">(</tt><tt class="py-name">Vrest</tt><tt class="py-op">)</tt> </tt>
<a name="L174"></a><tt class="py-lineno">174</tt>  <tt class="py-line">                        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L175"></a><tt class="py-lineno">175</tt>  <tt class="py-line">                            <tt class="py-name">future</tt><tt class="py-op">[</tt><tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'probability'</tt><tt class="py-op">]</tt> </tt>
<a name="L176"></a><tt class="py-lineno">176</tt>  <tt class="py-line">                        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L177"></a><tt class="py-lineno">177</tt>  <tt class="py-line">                            <tt class="py-name">future</tt><tt class="py-op">[</tt><tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">entry</tt><tt class="py-op">[</tt><tt class="py-string">'probability'</tt><tt class="py-op">]</tt> </tt>
<a name="L178"></a><tt class="py-lineno">178</tt>  <tt class="py-line">                        <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'projection'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">entry</tt><tt class="py-op">)</tt> </tt>
<a name="L179"></a><tt class="py-lineno">179</tt>  <tt class="py-line">                    <tt class="py-comment"># The following is typically "expectation", but might be "max" or "min", too</tt> </tt>
<a name="L180"></a><tt class="py-lineno">180</tt>  <tt class="py-line">                    <tt class="py-name">op</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'projector'</tt><tt class="py-op">]</tt> </tt>
<a name="L181"></a><tt class="py-lineno">181</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">discount</tt> <tt class="py-op">&lt;</tt> <tt class="py-op">-</tt><tt class="py-number">1e-6</tt><tt class="py-op">:</tt> </tt>
<a name="L182"></a><tt class="py-lineno">182</tt>  <tt class="py-line">                        <tt class="py-comment"># Only final value matters</tt> </tt>
<a name="L183"></a><tt class="py-lineno">183</tt>  <tt class="py-line">                        <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">apply</tt><tt class="py-op">(</tt><tt class="py-name">op</tt><tt class="py-op">,</tt><tt class="py-op">(</tt><tt class="py-name">future</tt><tt class="py-op">,</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L184"></a><tt class="py-lineno">184</tt>  <tt class="py-line">                    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L185"></a><tt class="py-lineno">185</tt>  <tt class="py-line">                        <tt class="py-comment"># Accumulate value</tt> </tt>
<a name="L186"></a><tt class="py-lineno">186</tt>  <tt class="py-line">                        <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-name">discount</tt><tt class="py-op">*</tt><tt class="py-name">apply</tt><tt class="py-op">(</tt><tt class="py-name">op</tt><tt class="py-op">,</tt><tt class="py-op">(</tt><tt class="py-name">future</tt><tt class="py-op">,</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L187"></a><tt class="py-lineno">187</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L188"></a><tt class="py-lineno">188</tt>  <tt class="py-line">                    <tt class="py-comment"># Deterministic outcome</tt> </tt>
<a name="L189"></a><tt class="py-lineno">189</tt>  <tt class="py-line">                    <tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'probability'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-number">1.</tt> </tt>
<a name="L190"></a><tt class="py-lineno">190</tt>  <tt class="py-line">                    <tt class="py-name">Vrest</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-57" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-57', 'value', 'link-30');">value</a></tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">[</tt><tt class="py-string">'new'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">,</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">)</tt> </tt>
<a name="L191"></a><tt class="py-lineno">191</tt>  <tt class="py-line">                    <tt class="py-name">outcome</tt><tt class="py-op">.</tt><tt id="link-58" class="py-name"><a title="psychsim.pwl.KeyedMatrix.update
psychsim.pwl.MatrixDistribution.update" class="py-name" href="#" onclick="return doclink('link-58', 'update', 'link-56');">update</a></tt><tt class="py-op">(</tt><tt class="py-name">Vrest</tt><tt class="py-op">)</tt> </tt>
<a name="L192"></a><tt class="py-lineno">192</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">discount</tt> <tt class="py-op">&lt;</tt> <tt class="py-op">-</tt><tt class="py-number">1e-6</tt><tt class="py-op">:</tt> </tt>
<a name="L193"></a><tt class="py-lineno">193</tt>  <tt class="py-line">                        <tt class="py-comment"># Only final value matters</tt> </tt>
<a name="L194"></a><tt class="py-lineno">194</tt>  <tt class="py-line">                        <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">Vrest</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt> </tt>
<a name="L195"></a><tt class="py-lineno">195</tt>  <tt class="py-line">                    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L196"></a><tt class="py-lineno">196</tt>  <tt class="py-line">                        <tt class="py-comment"># Accumulate value</tt> </tt>
<a name="L197"></a><tt class="py-lineno">197</tt>  <tt class="py-line">                        <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-name">discount</tt><tt class="py-op">*</tt><tt class="py-name">Vrest</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt> </tt>
<a name="L198"></a><tt class="py-lineno">198</tt>  <tt class="py-line">                    <tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'projection'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">outcome</tt><tt class="py-op">)</tt> </tt>
<a name="L199"></a><tt class="py-lineno">199</tt>  <tt class="py-line">            <tt class="py-comment"># Do some caching</tt> </tt>
<a name="L200"></a><tt class="py-lineno">200</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-59" class="py-name"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-59', 'set', 'link-7');">set</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">vector</tt><tt class="py-op">,</tt><tt id="link-60" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-60', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt><tt class="py-op">,</tt><tt class="py-name">result</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L201"></a><tt class="py-lineno">201</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">result</tt> </tt>
</div><a name="L202"></a><tt class="py-lineno">202</tt>  <tt class="py-line"> </tt>
<a name="Agent.valueIteration"></a><div id="Agent.valueIteration-def"><a name="L203"></a><tt class="py-lineno">203</tt> <a class="py-toggle" href="#" id="Agent.valueIteration-toggle" onclick="return toggle('Agent.valueIteration');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#valueIteration">valueIteration</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">horizon</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">ignore</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">,</tt><tt class="py-param">epsilon</tt><tt class="py-op">=</tt><tt class="py-number">1e-6</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.valueIteration-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.valueIteration-expanded"><a name="L204"></a><tt class="py-lineno">204</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L205"></a><tt class="py-lineno">205</tt>  <tt class="py-line"><tt class="py-docstring">        Compute a value function for the given model</tt> </tt>
<a name="L206"></a><tt class="py-lineno">206</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L207"></a><tt class="py-lineno">207</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">horizon</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L208"></a><tt class="py-lineno">208</tt>  <tt class="py-line">            <tt class="py-name">horizon</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'horizon'</tt><tt class="py-op">]</tt> </tt>
<a name="L209"></a><tt class="py-lineno">209</tt>  <tt class="py-line">        <tt class="py-comment"># Find transition matrix</tt> </tt>
<a name="L210"></a><tt class="py-lineno">210</tt>  <tt class="py-line">        <tt class="py-name">transition</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-61" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-61', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt id="link-62" class="py-name" targets="Method psychsim.world.World.reachable()=psychsim.world.World-class.html#reachable"><a title="psychsim.world.World.reachable" class="py-name" href="#" onclick="return doclink('link-62', 'reachable', 'link-62');">reachable</a></tt><tt class="py-op">(</tt><tt class="py-name">horizon</tt><tt class="py-op">=</tt><tt class="py-name">horizon</tt><tt class="py-op">,</tt><tt class="py-name">ignore</tt><tt class="py-op">=</tt><tt class="py-name">ignore</tt><tt class="py-op">)</tt> </tt>
<a name="L211"></a><tt class="py-lineno">211</tt>  <tt class="py-line">        <tt class="py-comment"># Initialize value function</tt> </tt>
<a name="L212"></a><tt class="py-lineno">212</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">start</tt> <tt class="py-keyword">in</tt> <tt class="py-name">transition</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L213"></a><tt class="py-lineno">213</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L214"></a><tt class="py-lineno">214</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt id="link-63" class="py-name" targets="Module psychsim.agent=psychsim.agent-module.html"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-63', 'agent', 'link-63');">agent</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-64" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-64', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">values</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L215"></a><tt class="py-lineno">215</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-65" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-65', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt id="link-66" class="py-name"><a title="psychsim.world.World.terminated" class="py-name" href="#" onclick="return doclink('link-66', 'terminated', 'link-47');">terminated</a></tt><tt class="py-op">(</tt><tt class="py-name">start</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L216"></a><tt class="py-lineno">216</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt id="link-67" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-67', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt> <tt class="py-op">==</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">:</tt> </tt>
<a name="L217"></a><tt class="py-lineno">217</tt>  <tt class="py-line">                        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-68" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-68', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'*'</tt><tt class="py-op">:</tt> <tt id="link-69" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-69', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt id="link-70" class="py-name"><a title="psychsim.agent.Agent.reward" class="py-name" href="#" onclick="return doclink('link-70', 'reward', 'link-43');">reward</a></tt><tt class="py-op">(</tt><tt class="py-name">start</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">)</tt><tt class="py-op">}</tt> </tt>
<a name="L218"></a><tt class="py-lineno">218</tt>  <tt class="py-line">                    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L219"></a><tt class="py-lineno">219</tt>  <tt class="py-line">                        <tt class="py-comment"># For now, assume true beliefs, but change later</tt> </tt>
<a name="L220"></a><tt class="py-lineno">220</tt>  <tt class="py-line">                        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-71" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-71', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'*'</tt><tt class="py-op">:</tt> <tt id="link-72" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-72', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt id="link-73" class="py-name"><a title="psychsim.agent.Agent.reward" class="py-name" href="#" onclick="return doclink('link-73', 'reward', 'link-43');">reward</a></tt><tt class="py-op">(</tt><tt class="py-name">start</tt><tt class="py-op">)</tt><tt class="py-op">}</tt> </tt>
<a name="L221"></a><tt class="py-lineno">221</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L222"></a><tt class="py-lineno">222</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-74" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-74', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'*'</tt><tt class="py-op">:</tt> <tt class="py-number">0.</tt><tt class="py-op">}</tt> </tt>
<a name="L223"></a><tt class="py-lineno">223</tt>  <tt class="py-line">        <tt class="py-comment"># Loop until no change in value function</tt> </tt>
<a name="L224"></a><tt class="py-lineno">224</tt>  <tt class="py-line">        <tt class="py-name">oldChange</tt> <tt class="py-op">=</tt> <tt class="py-number">0.</tt> </tt>
<a name="L225"></a><tt class="py-lineno">225</tt>  <tt class="py-line">        <tt class="py-name">newChange</tt> <tt class="py-op">=</tt> <tt class="py-number">1.</tt> </tt>
<a name="L226"></a><tt class="py-lineno">226</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">newChange</tt><tt class="py-op">-</tt><tt class="py-name">oldChange</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt id="link-75" class="py-name" targets="Variable psychsim.probability.Distribution.epsilon=psychsim.probability.Distribution-class.html#epsilon,Variable psychsim.pwl.KeyedVector.epsilon=psychsim.pwl.KeyedVector-class.html#epsilon"><a title="psychsim.probability.Distribution.epsilon
psychsim.pwl.KeyedVector.epsilon" class="py-name" href="#" onclick="return doclink('link-75', 'epsilon', 'link-75');">epsilon</a></tt><tt class="py-op">:</tt> </tt>
<a name="L227"></a><tt class="py-lineno">227</tt>  <tt class="py-line">            <tt class="py-name">oldChange</tt> <tt class="py-op">=</tt> <tt class="py-name">newChange</tt> </tt>
<a name="L228"></a><tt class="py-lineno">228</tt>  <tt class="py-line">            <tt class="py-name">newChange</tt> <tt class="py-op">=</tt> <tt class="py-number">0.</tt> </tt>
<a name="L229"></a><tt class="py-lineno">229</tt>  <tt class="py-line">            <tt class="py-name">V</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L230"></a><tt class="py-lineno">230</tt>  <tt class="py-line">            <tt class="py-comment"># Consider all possible start states</tt> </tt>
<a name="L231"></a><tt class="py-lineno">231</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">start</tt> <tt class="py-keyword">in</tt> <tt class="py-name">transition</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L232"></a><tt class="py-lineno">232</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-76" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-76', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt id="link-77" class="py-name"><a title="psychsim.world.World.terminated" class="py-name" href="#" onclick="return doclink('link-77', 'terminated', 'link-47');">terminated</a></tt><tt class="py-op">(</tt><tt class="py-name">start</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L233"></a><tt class="py-lineno">233</tt>  <tt class="py-line">                    <tt class="py-comment"># Back-propagate reward from subsequent states</tt> </tt>
<a name="L234"></a><tt class="py-lineno">234</tt>  <tt class="py-line">                    <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L235"></a><tt class="py-lineno">235</tt>  <tt class="py-line">                    <tt class="py-keyword">for</tt> <tt class="py-name">name</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-78" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-78', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L236"></a><tt class="py-lineno">236</tt>  <tt class="py-line">                        <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L237"></a><tt class="py-lineno">237</tt>  <tt class="py-line">                    <tt class="py-name">actor</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L238"></a><tt class="py-lineno">238</tt>  <tt class="py-line">                    <tt class="py-keyword">for</tt> <tt id="link-79" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-79', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt class="py-name">distribution</tt> <tt class="py-keyword">in</tt> <tt class="py-name">transition</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L239"></a><tt class="py-lineno">239</tt>  <tt class="py-line">                        <tt class="py-comment"># Make sure only one actor is acting at a time</tt> </tt>
<a name="L240"></a><tt class="py-lineno">240</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">actor</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L241"></a><tt class="py-lineno">241</tt>  <tt class="py-line">                            <tt class="py-name">actor</tt> <tt class="py-op">=</tt> <tt id="link-80" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-80', 'action', 'link-0');">action</a></tt><tt class="py-op">[</tt><tt class="py-string">'subject'</tt><tt class="py-op">]</tt> </tt>
<a name="L242"></a><tt class="py-lineno">242</tt>  <tt class="py-line">                        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L243"></a><tt class="py-lineno">243</tt>  <tt class="py-line">                            <tt class="py-keyword">assert</tt> <tt id="link-81" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-81', 'action', 'link-0');">action</a></tt><tt class="py-op">[</tt><tt class="py-string">'subject'</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-name">actor</tt><tt class="py-op">,</tt><tt class="py-string">'Unable to do value iteration with concurrent actors'</tt> </tt>
<a name="L244"></a><tt class="py-lineno">244</tt>  <tt class="py-line">                        <tt class="py-comment"># Consider all possible results of this action</tt> </tt>
<a name="L245"></a><tt class="py-lineno">245</tt>  <tt class="py-line">                        <tt class="py-keyword">for</tt> <tt id="link-82" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-82', 'agent', 'link-63');">agent</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-83" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-83', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">values</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L246"></a><tt class="py-lineno">246</tt>  <tt class="py-line">                            <tt class="py-keyword">for</tt> <tt class="py-name">end</tt> <tt class="py-keyword">in</tt> <tt class="py-name">transition</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-84" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-84', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-85" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-85', 'domain', 'link-14');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L247"></a><tt class="py-lineno">247</tt>  <tt class="py-line">                                <tt class="py-comment"># Determine expected value of future</tt> </tt>
<a name="L248"></a><tt class="py-lineno">248</tt>  <tt class="py-line">                                <tt class="py-name">Vrest</tt> <tt class="py-op">=</tt> <tt class="py-name">transition</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-86" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-86', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">end</tt><tt class="py-op">]</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">end</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-87" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-87', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'*'</tt><tt class="py-op">]</tt> </tt>
<a name="L249"></a><tt class="py-lineno">249</tt>  <tt class="py-line">                                <tt class="py-comment"># Determine discount function (should use belief about other agent, but doesn't yet)</tt> </tt>
<a name="L250"></a><tt class="py-lineno">250</tt>  <tt class="py-line">                                <tt class="py-keyword">if</tt> <tt id="link-88" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-88', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt> <tt class="py-op">==</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">:</tt> </tt>
<a name="L251"></a><tt class="py-lineno">251</tt>  <tt class="py-line">                                    <tt class="py-name">discount</tt> <tt class="py-op">=</tt> <tt id="link-89" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-89', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'discount'</tt><tt class="py-op">]</tt> </tt>
<a name="L252"></a><tt class="py-lineno">252</tt>  <tt class="py-line">                                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L253"></a><tt class="py-lineno">253</tt>  <tt class="py-line">                                    <tt class="py-name">discount</tt> <tt class="py-op">=</tt> <tt id="link-90" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-90', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">True</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'discount'</tt><tt class="py-op">]</tt> </tt>
<a name="L254"></a><tt class="py-lineno">254</tt>  <tt class="py-line">                                <tt class="py-keyword">if</tt> <tt class="py-name">discount</tt> <tt class="py-op">&lt;</tt> <tt class="py-op">-</tt><tt id="link-91" class="py-name"><a title="psychsim.probability.Distribution.epsilon
psychsim.pwl.KeyedVector.epsilon" class="py-name" href="#" onclick="return doclink('link-91', 'epsilon', 'link-75');">epsilon</a></tt><tt class="py-op">:</tt> </tt>
<a name="L255"></a><tt class="py-lineno">255</tt>  <tt class="py-line">                                    <tt class="py-comment"># Future reward is all that matters</tt> </tt>
<a name="L256"></a><tt class="py-lineno">256</tt>  <tt class="py-line">                                    <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-92" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-92', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-93" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-93', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">Vrest</tt> </tt>
<a name="L257"></a><tt class="py-lineno">257</tt>  <tt class="py-line">                                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L258"></a><tt class="py-lineno">258</tt>  <tt class="py-line">                                    <tt class="py-comment"># Current reward + Discounted future reward</tt> </tt>
<a name="L259"></a><tt class="py-lineno">259</tt>  <tt class="py-line">                                    <tt class="py-keyword">if</tt> <tt id="link-94" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-94', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt> <tt class="py-op">==</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">:</tt> </tt>
<a name="L260"></a><tt class="py-lineno">260</tt>  <tt class="py-line">                                        <tt class="py-name">R</tt> <tt class="py-op">=</tt> <tt id="link-95" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-95', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt id="link-96" class="py-name"><a title="psychsim.agent.Agent.reward" class="py-name" href="#" onclick="return doclink('link-96', 'reward', 'link-43');">reward</a></tt><tt class="py-op">(</tt><tt class="py-name">start</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">)</tt> </tt>
<a name="L261"></a><tt class="py-lineno">261</tt>  <tt class="py-line">                                    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L262"></a><tt class="py-lineno">262</tt>  <tt class="py-line">                                        <tt class="py-name">R</tt> <tt class="py-op">=</tt> <tt id="link-97" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-97', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt id="link-98" class="py-name"><a title="psychsim.agent.Agent.reward" class="py-name" href="#" onclick="return doclink('link-98', 'reward', 'link-43');">reward</a></tt><tt class="py-op">(</tt><tt class="py-name">start</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">)</tt> </tt>
<a name="L263"></a><tt class="py-lineno">263</tt>  <tt class="py-line">                                    <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-99" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-99', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-100" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-100', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">R</tt> <tt class="py-op">+</tt> <tt class="py-name">discount</tt><tt class="py-op">*</tt><tt class="py-name">Vrest</tt> </tt>
<a name="L264"></a><tt class="py-lineno">264</tt>  <tt class="py-line">                                <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L265"></a><tt class="py-lineno">265</tt>  <tt class="py-line">                                    <tt class="py-name">newChange</tt> <tt class="py-op">+=</tt> <tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-101" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-101', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-102" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-102', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">-</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-103" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-103', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-104" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-104', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L266"></a><tt class="py-lineno">266</tt>  <tt class="py-line">                                <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L267"></a><tt class="py-lineno">267</tt>  <tt class="py-line">                                    <tt class="py-name">newChange</tt> <tt class="py-op">+=</tt> <tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-105" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-105', 'agent', 'link-63');">agent</a></tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-106" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-106', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L268"></a><tt class="py-lineno">268</tt>  <tt class="py-line">                    <tt class="py-comment"># Value of state is the value of the chosen action in this state</tt> </tt>
<a name="L269"></a><tt class="py-lineno">269</tt>  <tt class="py-line">                    <tt class="py-name">table</tt> <tt class="py-op">=</tt> <tt class="py-name">dict</tt><tt class="py-op">(</tt><tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">actor</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L270"></a><tt class="py-lineno">270</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">table</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'*'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L271"></a><tt class="py-lineno">271</tt>  <tt class="py-line">                        <tt class="py-keyword">del</tt> <tt class="py-name">table</tt><tt class="py-op">[</tt><tt class="py-string">'*'</tt><tt class="py-op">]</tt> </tt>
<a name="L272"></a><tt class="py-lineno">272</tt>  <tt class="py-line">                    <tt class="py-name">choice</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-107" class="py-name" targets="Method psychsim.agent.Agent.predict()=psychsim.agent.Agent-class.html#predict"><a title="psychsim.agent.Agent.predict" class="py-name" href="#" onclick="return doclink('link-107', 'predict', 'link-107');">predict</a></tt><tt class="py-op">(</tt><tt class="py-name">start</tt><tt class="py-op">,</tt><tt class="py-name">actor</tt><tt class="py-op">,</tt><tt class="py-name">table</tt><tt class="py-op">)</tt> </tt>
<a name="L273"></a><tt class="py-lineno">273</tt>  <tt class="py-line">                    <tt class="py-keyword">for</tt> <tt class="py-name">name</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-108" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-108', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L274"></a><tt class="py-lineno">274</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">name</tt> <tt class="py-op">==</tt> <tt class="py-name">actor</tt><tt class="py-op">:</tt> </tt>
<a name="L275"></a><tt class="py-lineno">275</tt>  <tt class="py-line">                            <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'*'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">choice</tt><tt class="py-op">.</tt><tt id="link-109" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-109', 'domain', 'link-14');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> </tt>
<a name="L276"></a><tt class="py-lineno">276</tt>  <tt class="py-line">                        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L277"></a><tt class="py-lineno">277</tt>  <tt class="py-line">                            <tt class="py-keyword">for</tt> <tt id="link-110" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-110', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">choice</tt><tt class="py-op">.</tt><tt id="link-111" class="py-name"><a title="psychsim.probability.Distribution.domain" class="py-name" href="#" onclick="return doclink('link-111', 'domain', 'link-14');">domain</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L278"></a><tt class="py-lineno">278</tt>  <tt class="py-line">                                <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'*'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">choice</tt><tt class="py-op">[</tt><tt id="link-112" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-112', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt><tt class="py-op">*</tt><tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-113" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-113', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> </tt>
<a name="L279"></a><tt class="py-lineno">279</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-114" class="py-name"><a title="psychsim.pwl.KeyedMatrix.update
psychsim.pwl.MatrixDistribution.update" class="py-name" href="#" onclick="return doclink('link-114', 'update', 'link-56');">update</a></tt><tt class="py-op">(</tt><tt class="py-name">V</tt><tt class="py-op">)</tt> </tt>
<a name="L280"></a><tt class="py-lineno">280</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'V'</tt><tt class="py-op">]</tt> </tt>
</div><a name="L281"></a><tt class="py-lineno">281</tt>  <tt class="py-line"> </tt>
<a name="Agent.setPolicy"></a><div id="Agent.setPolicy-def"><a name="L282"></a><tt class="py-lineno">282</tt> <a class="py-toggle" href="#" id="Agent.setPolicy-toggle" onclick="return toggle('Agent.setPolicy');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#setPolicy">setPolicy</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">policy</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">level</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.setPolicy-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.setPolicy-expanded"><a name="L283"></a><tt class="py-lineno">283</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-115" class="py-name" targets="Method psychsim.agent.Agent.setParameter()=psychsim.agent.Agent-class.html#setParameter"><a title="psychsim.agent.Agent.setParameter" class="py-name" href="#" onclick="return doclink('link-115', 'setParameter', 'link-115');">setParameter</a></tt><tt class="py-op">(</tt><tt class="py-string">'policy'</tt><tt class="py-op">,</tt><tt class="py-name">policy</tt><tt class="py-op">.</tt><tt id="link-116" class="py-name" targets="Method psychsim.pwl.KeyedMatrix.desymbolize()=psychsim.pwl.KeyedMatrix-class.html#desymbolize,Method psychsim.pwl.KeyedPlane.desymbolize()=psychsim.pwl.KeyedPlane-class.html#desymbolize,Method psychsim.pwl.KeyedTree.desymbolize()=psychsim.pwl.KeyedTree-class.html#desymbolize,Method psychsim.pwl.KeyedVector.desymbolize()=psychsim.pwl.KeyedVector-class.html#desymbolize"><a title="psychsim.pwl.KeyedMatrix.desymbolize
psychsim.pwl.KeyedPlane.desymbolize
psychsim.pwl.KeyedTree.desymbolize
psychsim.pwl.KeyedVector.desymbolize" class="py-name" href="#" onclick="return doclink('link-116', 'desymbolize', 'link-116');">desymbolize</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-117" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-117', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt class="py-name">symbols</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">,</tt><tt class="py-name">level</tt><tt class="py-op">)</tt> </tt>
</div><a name="L284"></a><tt class="py-lineno">284</tt>  <tt class="py-line"> </tt>
<a name="Agent.setHorizon"></a><div id="Agent.setHorizon-def"><a name="L285"></a><tt class="py-lineno">285</tt> <a class="py-toggle" href="#" id="Agent.setHorizon-toggle" onclick="return toggle('Agent.setHorizon');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#setHorizon">setHorizon</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">horizon</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">level</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.setHorizon-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.setHorizon-expanded"><a name="L286"></a><tt class="py-lineno">286</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L287"></a><tt class="py-lineno">287</tt>  <tt class="py-line"><tt class="py-docstring">        @type horizon: int</tt> </tt>
<a name="L288"></a><tt class="py-lineno">288</tt>  <tt class="py-line"><tt class="py-docstring">        @param model: the model to set the horizon for, where C{None} means set it for all (default is C{None})</tt> </tt>
<a name="L289"></a><tt class="py-lineno">289</tt>  <tt class="py-line"><tt class="py-docstring">        @param level: if setting across models, the recursive level of models to do so, where C{None} means all levels (default is C{None})</tt> </tt>
<a name="L290"></a><tt class="py-lineno">290</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L291"></a><tt class="py-lineno">291</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-118" class="py-name"><a title="psychsim.agent.Agent.setParameter" class="py-name" href="#" onclick="return doclink('link-118', 'setParameter', 'link-115');">setParameter</a></tt><tt class="py-op">(</tt><tt class="py-string">'horizon'</tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">,</tt><tt class="py-name">level</tt><tt class="py-op">)</tt> </tt>
</div><a name="L292"></a><tt class="py-lineno">292</tt>  <tt class="py-line"> </tt>
<a name="Agent.setParameter"></a><div id="Agent.setParameter-def"><a name="L293"></a><tt class="py-lineno">293</tt> <a class="py-toggle" href="#" id="Agent.setParameter-toggle" onclick="return toggle('Agent.setParameter');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#setParameter">setParameter</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">name</tt><tt class="py-op">,</tt><tt class="py-param">value</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">level</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.setParameter-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.setParameter-expanded"><a name="L294"></a><tt class="py-lineno">294</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L295"></a><tt class="py-lineno">295</tt>  <tt class="py-line"><tt class="py-docstring">        Set a parameter value for the given model(s)</tt> </tt>
<a name="L296"></a><tt class="py-lineno">296</tt>  <tt class="py-line"><tt class="py-docstring">        @param name: the feature of the model to set</tt> </tt>
<a name="L297"></a><tt class="py-lineno">297</tt>  <tt class="py-line"><tt class="py-docstring">        @type name: str</tt> </tt>
<a name="L298"></a><tt class="py-lineno">298</tt>  <tt class="py-line"><tt class="py-docstring">        @param value: the new value for the parameter</tt> </tt>
<a name="L299"></a><tt class="py-lineno">299</tt>  <tt class="py-line"><tt class="py-docstring">        @param model: the model to set the horizon for, where C{None} means set it for all (default is C{None})</tt> </tt>
<a name="L300"></a><tt class="py-lineno">300</tt>  <tt class="py-line"><tt class="py-docstring">        @param level: if setting across models, the recursive level of models to do so, where C{None} means all levels (default is C{None})</tt> </tt>
<a name="L301"></a><tt class="py-lineno">301</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L302"></a><tt class="py-lineno">302</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">model</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L303"></a><tt class="py-lineno">303</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">model</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">.</tt><tt class="py-name">values</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L304"></a><tt class="py-lineno">304</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">level</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt> <tt class="py-keyword">or</tt> <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'level'</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-name">level</tt><tt class="py-op">:</tt> </tt>
<a name="L305"></a><tt class="py-lineno">305</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-119" class="py-name"><a title="psychsim.agent.Agent.setParameter" class="py-name" href="#" onclick="return doclink('link-119', 'setParameter', 'link-115');">setParameter</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt id="link-120" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-120', 'value', 'link-30');">value</a></tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'name'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L306"></a><tt class="py-lineno">306</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L307"></a><tt class="py-lineno">307</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-121" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-121', 'value', 'link-30');">value</a></tt> </tt>
</div><a name="L308"></a><tt class="py-lineno">308</tt>  <tt class="py-line"> </tt>
<a name="L309"></a><tt class="py-lineno">309</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L310"></a><tt class="py-lineno">310</tt>  <tt class="py-line">    <tt class="py-string">"""Action methods"""</tt> </tt>
<a name="L311"></a><tt class="py-lineno">311</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L312"></a><tt class="py-lineno">312</tt>  <tt class="py-line"> </tt>
<a name="Agent.addAction"></a><div id="Agent.addAction-def"><a name="L313"></a><tt class="py-lineno">313</tt> <a class="py-toggle" href="#" id="Agent.addAction-toggle" onclick="return toggle('Agent.addAction');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#addAction">addAction</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">action</tt><tt class="py-op">,</tt><tt class="py-param">condition</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.addAction-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.addAction-expanded"><a name="L314"></a><tt class="py-lineno">314</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L315"></a><tt class="py-lineno">315</tt>  <tt class="py-line"><tt class="py-docstring">        @param condition: optional legality condition</tt> </tt>
<a name="L316"></a><tt class="py-lineno">316</tt>  <tt class="py-line"><tt class="py-docstring">        @type condition: L{KeyedPlane}</tt> </tt>
<a name="L317"></a><tt class="py-lineno">317</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the action added</tt> </tt>
<a name="L318"></a><tt class="py-lineno">318</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: L{ActionSet}</tt> </tt>
<a name="L319"></a><tt class="py-lineno">319</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L320"></a><tt class="py-lineno">320</tt>  <tt class="py-line">        <tt class="py-name">actions</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L321"></a><tt class="py-lineno">321</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt id="link-122" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-122', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt id="link-123" class="py-name"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-123', 'set', 'link-7');">set</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L322"></a><tt class="py-lineno">322</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">atom</tt> <tt class="py-keyword">in</tt> <tt id="link-124" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-124', 'action', 'link-0');">action</a></tt><tt class="py-op">:</tt> </tt>
<a name="L323"></a><tt class="py-lineno">323</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">atom</tt><tt class="py-op">,</tt><tt id="link-125" class="py-name"><a title="psychsim.action.Action" class="py-name" href="#" onclick="return doclink('link-125', 'Action', 'link-1');">Action</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L324"></a><tt class="py-lineno">324</tt>  <tt class="py-line">                    <tt class="py-name">actions</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt id="link-126" class="py-name"><a title="psychsim.action.Action" class="py-name" href="#" onclick="return doclink('link-126', 'Action', 'link-1');">Action</a></tt><tt class="py-op">(</tt><tt class="py-name">atom</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L325"></a><tt class="py-lineno">325</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L326"></a><tt class="py-lineno">326</tt>  <tt class="py-line">                    <tt class="py-name">actions</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">atom</tt><tt class="py-op">)</tt> </tt>
<a name="L327"></a><tt class="py-lineno">327</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt id="link-127" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-127', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt id="link-128" class="py-name"><a title="psychsim.action.Action" class="py-name" href="#" onclick="return doclink('link-128', 'Action', 'link-1');">Action</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L328"></a><tt class="py-lineno">328</tt>  <tt class="py-line">            <tt class="py-name">actions</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt id="link-129" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-129', 'action', 'link-0');">action</a></tt><tt class="py-op">)</tt> </tt>
<a name="L329"></a><tt class="py-lineno">329</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L330"></a><tt class="py-lineno">330</tt>  <tt class="py-line">            <tt class="py-keyword">assert</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt id="link-130" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-130', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt class="py-name">dict</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-string">'Argument to addAction must be at least a dictionary'</tt> </tt>
<a name="L331"></a><tt class="py-lineno">331</tt>  <tt class="py-line">            <tt class="py-name">actions</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt id="link-131" class="py-name"><a title="psychsim.action.Action" class="py-name" href="#" onclick="return doclink('link-131', 'Action', 'link-1');">Action</a></tt><tt class="py-op">(</tt><tt id="link-132" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-132', 'action', 'link-0');">action</a></tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L332"></a><tt class="py-lineno">332</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">atom</tt> <tt class="py-keyword">in</tt> <tt class="py-name">actions</tt><tt class="py-op">:</tt> </tt>
<a name="L333"></a><tt class="py-lineno">333</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">atom</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'subject'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L334"></a><tt class="py-lineno">334</tt>  <tt class="py-line">                <tt class="py-comment"># Make me the subject of these actions</tt> </tt>
<a name="L335"></a><tt class="py-lineno">335</tt>  <tt class="py-line">                <tt class="py-name">atom</tt><tt class="py-op">[</tt><tt class="py-string">'subject'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt> </tt>
<a name="L336"></a><tt class="py-lineno">336</tt>  <tt class="py-line">        <tt class="py-name">new</tt> <tt class="py-op">=</tt> <tt id="link-133" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-133', 'ActionSet', 'link-2');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-name">actions</tt><tt class="py-op">)</tt> </tt>
<a name="L337"></a><tt class="py-lineno">337</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">actions</tt><tt class="py-op">.</tt><tt class="py-name">add</tt><tt class="py-op">(</tt><tt class="py-name">new</tt><tt class="py-op">)</tt> </tt>
<a name="L338"></a><tt class="py-lineno">338</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">condition</tt><tt class="py-op">:</tt> </tt>
<a name="L339"></a><tt class="py-lineno">339</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">legal</tt><tt class="py-op">[</tt><tt class="py-name">new</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">condition</tt> </tt>
<a name="L340"></a><tt class="py-lineno">340</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">new</tt> </tt>
</div><a name="L341"></a><tt class="py-lineno">341</tt>  <tt class="py-line"> </tt>
<a name="Agent.getActions"></a><div id="Agent.getActions-def"><a name="L342"></a><tt class="py-lineno">342</tt> <a class="py-toggle" href="#" id="Agent.getActions-toggle" onclick="return toggle('Agent.getActions');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#getActions">getActions</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.getActions-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.getActions-expanded"><a name="L343"></a><tt class="py-lineno">343</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L344"></a><tt class="py-lineno">344</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the set of possible actions to choose from in the given state vector</tt> </tt>
<a name="L345"></a><tt class="py-lineno">345</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: {L{ActionSet}}</tt> </tt>
<a name="L346"></a><tt class="py-lineno">346</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L347"></a><tt class="py-lineno">347</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">legal</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L348"></a><tt class="py-lineno">348</tt>  <tt class="py-line">            <tt class="py-comment"># No restrictions on legal actions, so take a shortcut</tt> </tt>
<a name="L349"></a><tt class="py-lineno">349</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">actions</tt> </tt>
<a name="L350"></a><tt class="py-lineno">350</tt>  <tt class="py-line">        <tt class="py-comment"># Otherwise, filter out illegal actions</tt> </tt>
<a name="L351"></a><tt class="py-lineno">351</tt>  <tt class="py-line">        <tt class="py-name">result</tt> <tt class="py-op">=</tt> <tt id="link-134" class="py-name"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-134', 'set', 'link-7');">set</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L352"></a><tt class="py-lineno">352</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt id="link-135" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-135', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">actions</tt><tt class="py-op">:</tt> </tt>
<a name="L353"></a><tt class="py-lineno">353</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L354"></a><tt class="py-lineno">354</tt>  <tt class="py-line">                <tt class="py-name">tree</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">legal</tt><tt class="py-op">[</tt><tt id="link-136" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-136', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> </tt>
<a name="L355"></a><tt class="py-lineno">355</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L356"></a><tt class="py-lineno">356</tt>  <tt class="py-line">                <tt class="py-comment"># No condition on this action's legality =&gt; legal</tt> </tt>
<a name="L357"></a><tt class="py-lineno">357</tt>  <tt class="py-line">                <tt class="py-name">result</tt><tt class="py-op">.</tt><tt class="py-name">add</tt><tt class="py-op">(</tt><tt id="link-137" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-137', 'action', 'link-0');">action</a></tt><tt class="py-op">)</tt> </tt>
<a name="L358"></a><tt class="py-lineno">358</tt>  <tt class="py-line">                <tt class="py-keyword">continue</tt> </tt>
<a name="L359"></a><tt class="py-lineno">359</tt>  <tt class="py-line">            <tt class="py-comment"># Must satisfy all conditions</tt> </tt>
<a name="L360"></a><tt class="py-lineno">360</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">tree</tt><tt class="py-op">[</tt><tt class="py-name">vector</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L361"></a><tt class="py-lineno">361</tt>  <tt class="py-line">                <tt class="py-name">result</tt><tt class="py-op">.</tt><tt class="py-name">add</tt><tt class="py-op">(</tt><tt id="link-138" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-138', 'action', 'link-0');">action</a></tt><tt class="py-op">)</tt> </tt>
<a name="L362"></a><tt class="py-lineno">362</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">result</tt> </tt>
</div><a name="L363"></a><tt class="py-lineno">363</tt>  <tt class="py-line"> </tt>
<a name="Agent.setLegal"></a><div id="Agent.setLegal-def"><a name="L364"></a><tt class="py-lineno">364</tt> <a class="py-toggle" href="#" id="Agent.setLegal-toggle" onclick="return toggle('Agent.setLegal');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#setLegal">setLegal</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">action</tt><tt class="py-op">,</tt><tt class="py-param">tree</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.setLegal-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.setLegal-expanded"><a name="L365"></a><tt class="py-lineno">365</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L366"></a><tt class="py-lineno">366</tt>  <tt class="py-line"><tt class="py-docstring">        Sets the legality decision tree for a given action</tt> </tt>
<a name="L367"></a><tt class="py-lineno">367</tt>  <tt class="py-line"><tt class="py-docstring">        @param action: the action whose legality we are setting</tt> </tt>
<a name="L368"></a><tt class="py-lineno">368</tt>  <tt class="py-line"><tt class="py-docstring">        @param tree: the decision tree for the legality of the action</tt> </tt>
<a name="L369"></a><tt class="py-lineno">369</tt>  <tt class="py-line"><tt class="py-docstring">        @type tree: L{KeyedTree}</tt> </tt>
<a name="L370"></a><tt class="py-lineno">370</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L371"></a><tt class="py-lineno">371</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">legal</tt><tt class="py-op">[</tt><tt id="link-139" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-139', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">tree</tt><tt class="py-op">.</tt><tt id="link-140" class="py-name"><a title="psychsim.pwl.KeyedMatrix.desymbolize
psychsim.pwl.KeyedPlane.desymbolize
psychsim.pwl.KeyedTree.desymbolize
psychsim.pwl.KeyedVector.desymbolize" class="py-name" href="#" onclick="return doclink('link-140', 'desymbolize', 'link-116');">desymbolize</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-141" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-141', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt class="py-name">symbols</tt><tt class="py-op">)</tt> </tt>
</div><a name="L372"></a><tt class="py-lineno">372</tt>  <tt class="py-line"> </tt>
<a name="Agent.hasAction"></a><div id="Agent.hasAction-def"><a name="L373"></a><tt class="py-lineno">373</tt> <a class="py-toggle" href="#" id="Agent.hasAction-toggle" onclick="return toggle('Agent.hasAction');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#hasAction">hasAction</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">atom</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.hasAction-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.hasAction-expanded"><a name="L374"></a><tt class="py-lineno">374</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L375"></a><tt class="py-lineno">375</tt>  <tt class="py-line"><tt class="py-docstring">        @type atom: L{Action}</tt> </tt>
<a name="L376"></a><tt class="py-lineno">376</tt>  <tt class="py-line"><tt class="py-docstring">        @return: C{True} iff this agent has the given action (possibly in combination with other actions)</tt> </tt>
<a name="L377"></a><tt class="py-lineno">377</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: bool</tt> </tt>
<a name="L378"></a><tt class="py-lineno">378</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L379"></a><tt class="py-lineno">379</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt id="link-142" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-142', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">actions</tt><tt class="py-op">:</tt> </tt>
<a name="L380"></a><tt class="py-lineno">380</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">candidate</tt> <tt class="py-keyword">in</tt> <tt id="link-143" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-143', 'action', 'link-0');">action</a></tt><tt class="py-op">:</tt> </tt>
<a name="L381"></a><tt class="py-lineno">381</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">atom</tt><tt class="py-op">.</tt><tt id="link-144" class="py-name" targets="Method psychsim.action.Action.root()=psychsim.action.Action-class.html#root"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-144', 'root', 'link-144');">root</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-name">candidate</tt><tt class="py-op">.</tt><tt id="link-145" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-145', 'root', 'link-144');">root</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L382"></a><tt class="py-lineno">382</tt>  <tt class="py-line">                    <tt class="py-keyword">return</tt> <tt class="py-name">True</tt> </tt>
<a name="L383"></a><tt class="py-lineno">383</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L384"></a><tt class="py-lineno">384</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">False</tt> </tt>
</div><a name="L385"></a><tt class="py-lineno">385</tt>  <tt class="py-line"> </tt>
<a name="L386"></a><tt class="py-lineno">386</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L387"></a><tt class="py-lineno">387</tt>  <tt class="py-line">    <tt class="py-string">"""State methods"""</tt> </tt>
<a name="L388"></a><tt class="py-lineno">388</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L389"></a><tt class="py-lineno">389</tt>  <tt class="py-line"> </tt>
<a name="Agent.setState"></a><div id="Agent.setState-def"><a name="L390"></a><tt class="py-lineno">390</tt> <a class="py-toggle" href="#" id="Agent.setState-toggle" onclick="return toggle('Agent.setState');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#setState">setState</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">feature</tt><tt class="py-op">,</tt><tt class="py-param">value</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.setState-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.setState-expanded"><a name="L391"></a><tt class="py-lineno">391</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-146" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-146', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt id="link-147" class="py-name" targets="Method psychsim.agent.Agent.setState()=psychsim.agent.Agent-class.html#setState,Method psychsim.world.World.setState()=psychsim.world.World-class.html#setState"><a title="psychsim.agent.Agent.setState
psychsim.world.World.setState" class="py-name" href="#" onclick="return doclink('link-147', 'setState', 'link-147');">setState</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">feature</tt><tt class="py-op">,</tt><tt id="link-148" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-148', 'value', 'link-30');">value</a></tt><tt class="py-op">)</tt> </tt>
</div><a name="L392"></a><tt class="py-lineno">392</tt>  <tt class="py-line"> </tt>
<a name="L393"></a><tt class="py-lineno">393</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L394"></a><tt class="py-lineno">394</tt>  <tt class="py-line">    <tt class="py-string">"""Reward methods"""</tt> </tt>
<a name="L395"></a><tt class="py-lineno">395</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L396"></a><tt class="py-lineno">396</tt>  <tt class="py-line"> </tt>
<a name="Agent.setReward"></a><div id="Agent.setReward-def"><a name="L397"></a><tt class="py-lineno">397</tt> <a class="py-toggle" href="#" id="Agent.setReward-toggle" onclick="return toggle('Agent.setReward');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#setReward">setReward</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">tree</tt><tt class="py-op">,</tt><tt class="py-param">weight</tt><tt class="py-op">=</tt><tt class="py-number">0.</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.setReward-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.setReward-expanded"><a name="L398"></a><tt class="py-lineno">398</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">model</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L399"></a><tt class="py-lineno">399</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">model</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">.</tt><tt class="py-name">values</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L400"></a><tt class="py-lineno">400</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'R'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">dict</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L401"></a><tt class="py-lineno">401</tt>  <tt class="py-line">                    <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'R'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">tree</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">weight</tt> </tt>
<a name="L402"></a><tt class="py-lineno">402</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L403"></a><tt class="py-lineno">403</tt>  <tt class="py-line">                    <tt class="py-keyword">assert</tt> <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'R'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">True</tt> </tt>
<a name="L404"></a><tt class="py-lineno">404</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L405"></a><tt class="py-lineno">405</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'R'</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">tree</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">weight</tt> </tt>
</div><a name="L406"></a><tt class="py-lineno">406</tt>  <tt class="py-line"> </tt>
<a name="Agent.reward"></a><div id="Agent.reward-def"><a name="L407"></a><tt class="py-lineno">407</tt> <a class="py-toggle" href="#" id="Agent.reward-toggle" onclick="return toggle('Agent.reward');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#reward">reward</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.reward-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.reward-expanded"><a name="L408"></a><tt class="py-lineno">408</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L409"></a><tt class="py-lineno">409</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the reward I derive in the given state (under the given model, default being the C{True} model)</tt> </tt>
<a name="L410"></a><tt class="py-lineno">410</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: float</tt> </tt>
<a name="L411"></a><tt class="py-lineno">411</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L412"></a><tt class="py-lineno">412</tt>  <tt class="py-line">        <tt class="py-name">R</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'R'</tt><tt class="py-op">]</tt> </tt>
<a name="L413"></a><tt class="py-lineno">413</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">R</tt> <tt class="py-keyword">is</tt> <tt class="py-name">True</tt><tt class="py-op">:</tt> </tt>
<a name="L414"></a><tt class="py-lineno">414</tt>  <tt class="py-line">            <tt class="py-comment"># Use true reward function</tt> </tt>
<a name="L415"></a><tt class="py-lineno">415</tt>  <tt class="py-line">            <tt class="py-name">R</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">True</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'R'</tt><tt class="py-op">]</tt> </tt>
<a name="L416"></a><tt class="py-lineno">416</tt>  <tt class="py-line">        <tt class="py-name">total</tt> <tt class="py-op">=</tt> <tt class="py-number">0.</tt> </tt>
<a name="L417"></a><tt class="py-lineno">417</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">tree</tt><tt class="py-op">,</tt><tt class="py-name">weight</tt> <tt class="py-keyword">in</tt> <tt class="py-name">R</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L418"></a><tt class="py-lineno">418</tt>  <tt class="py-line">            <tt class="py-name">ER</tt> <tt class="py-op">=</tt> <tt class="py-name">tree</tt><tt class="py-op">[</tt><tt class="py-name">vector</tt><tt class="py-op">]</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-149" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-149', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt id="link-150" class="py-name" targets="Method psychsim.world.World.scaleState()=psychsim.world.World-class.html#scaleState"><a title="psychsim.world.World.scaleState" class="py-name" href="#" onclick="return doclink('link-150', 'scaleState', 'link-150');">scaleState</a></tt><tt class="py-op">(</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt> </tt>
<a name="L419"></a><tt class="py-lineno">419</tt>  <tt class="py-line">            <tt class="py-name">total</tt> <tt class="py-op">+=</tt> <tt class="py-name">ER</tt><tt class="py-op">*</tt><tt class="py-name">weight</tt> </tt>
<a name="L420"></a><tt class="py-lineno">420</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">total</tt> </tt>
</div><a name="L421"></a><tt class="py-lineno">421</tt>  <tt class="py-line"> </tt>
<a name="L422"></a><tt class="py-lineno">422</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L423"></a><tt class="py-lineno">423</tt>  <tt class="py-line">    <tt class="py-string">"""Mental model methods"""</tt> </tt>
<a name="L424"></a><tt class="py-lineno">424</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L425"></a><tt class="py-lineno">425</tt>  <tt class="py-line"> </tt>
<a name="Agent.addModel"></a><div id="Agent.addModel-def"><a name="L426"></a><tt class="py-lineno">426</tt> <a class="py-toggle" href="#" id="Agent.addModel-toggle" onclick="return toggle('Agent.addModel');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#addModel">addModel</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">name</tt><tt class="py-op">,</tt><tt class="py-op">**</tt><tt class="py-param">kwargs</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.addModel-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.addModel-expanded"><a name="L427"></a><tt class="py-lineno">427</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L428"></a><tt class="py-lineno">428</tt>  <tt class="py-line"><tt class="py-docstring">        Adds a new possible model for this agent (to be used as either true model or else as mental model another agent has of it). Possible arguments are:</tt> </tt>
<a name="L429"></a><tt class="py-lineno">429</tt>  <tt class="py-line"><tt class="py-docstring">         - R: the reward table for the agent under this model (default is C{True}), L{KeyedTree}S{-&gt;}float</tt> </tt>
<a name="L430"></a><tt class="py-lineno">430</tt>  <tt class="py-line"><tt class="py-docstring">         - beliefs: the beliefs the agent has under this model (default is C{True}), L{VectorDistribution}</tt> </tt>
<a name="L431"></a><tt class="py-lineno">431</tt>  <tt class="py-line"><tt class="py-docstring">         - horizon: the horizon of the value function under this model (default is C{True}),int</tt> </tt>
<a name="L432"></a><tt class="py-lineno">432</tt>  <tt class="py-line"><tt class="py-docstring">         - level: the recursive depth of this model (default is C{True}),int</tt> </tt>
<a name="L433"></a><tt class="py-lineno">433</tt>  <tt class="py-line"><tt class="py-docstring">         - rationality: the rationality parameter used in a quantal response function when modeling others (default is 10),float</tt> </tt>
<a name="L434"></a><tt class="py-lineno">434</tt>  <tt class="py-line"><tt class="py-docstring">        @param name: the label for this model</tt> </tt>
<a name="L435"></a><tt class="py-lineno">435</tt>  <tt class="py-line"><tt class="py-docstring">        @type name: str</tt> </tt>
<a name="L436"></a><tt class="py-lineno">436</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the model created</tt> </tt>
<a name="L437"></a><tt class="py-lineno">437</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: dict</tt> </tt>
<a name="L438"></a><tt class="py-lineno">438</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L439"></a><tt class="py-lineno">439</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L440"></a><tt class="py-lineno">440</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">NameError</tt><tt class="py-op">,</tt><tt class="py-string">'Model %s already exists for agent %s'</tt> <tt class="py-op">%</tt> \ </tt>
<a name="L441"></a><tt class="py-lineno">441</tt>  <tt class="py-line">                <tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L442"></a><tt class="py-lineno">442</tt>  <tt class="py-line">        <tt class="py-name">model</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'name'</tt><tt class="py-op">:</tt> <tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-string">'index'</tt><tt class="py-op">:</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-string">'R'</tt><tt class="py-op">:</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt><tt class="py-string">'beliefs'</tt><tt class="py-op">:</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt> </tt>
<a name="L443"></a><tt class="py-lineno">443</tt>  <tt class="py-line">                 <tt class="py-string">'horizon'</tt><tt class="py-op">:</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt><tt class="py-string">'level'</tt><tt class="py-op">:</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt><tt class="py-string">'rationality'</tt><tt class="py-op">:</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt><tt class="py-string">'discount'</tt><tt class="py-op">:</tt> <tt class="py-name">True</tt><tt class="py-op">,</tt> </tt>
<a name="L444"></a><tt class="py-lineno">444</tt>  <tt class="py-line">                 <tt class="py-string">'V'</tt><tt class="py-op">:</tt> <tt id="link-151" class="py-name" targets="Class psychsim.agent.ValueFunction=psychsim.agent.ValueFunction-class.html"><a title="psychsim.agent.ValueFunction" class="py-name" href="#" onclick="return doclink('link-151', 'ValueFunction', 'link-151');">ValueFunction</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-string">'policy'</tt><tt class="py-op">:</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt><tt class="py-op">,</tt><tt class="py-string">'ignore'</tt><tt class="py-op">:</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-string">'projector'</tt><tt class="py-op">:</tt> <tt id="link-152" class="py-name"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-152', 'Distribution', 'link-5');">Distribution</a></tt><tt class="py-op">.</tt><tt id="link-153" class="py-name" targets="Method psychsim.probability.Distribution.expectation()=psychsim.probability.Distribution-class.html#expectation"><a title="psychsim.probability.Distribution.expectation" class="py-name" href="#" onclick="return doclink('link-153', 'expectation', 'link-153');">expectation</a></tt><tt class="py-op">}</tt> </tt>
<a name="L445"></a><tt class="py-lineno">445</tt>  <tt class="py-line">        <tt class="py-name">model</tt><tt class="py-op">.</tt><tt id="link-154" class="py-name"><a title="psychsim.pwl.KeyedMatrix.update
psychsim.pwl.MatrixDistribution.update" class="py-name" href="#" onclick="return doclink('link-154', 'update', 'link-56');">update</a></tt><tt class="py-op">(</tt><tt class="py-name">kwargs</tt><tt class="py-op">)</tt> </tt>
<a name="L446"></a><tt class="py-lineno">446</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">model</tt> </tt>
<a name="L447"></a><tt class="py-lineno">447</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">modelList</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L448"></a><tt class="py-lineno">448</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">model</tt> </tt>
</div><a name="L449"></a><tt class="py-lineno">449</tt>  <tt class="py-line"> </tt>
<a name="Agent.predict"></a><div id="Agent.predict-def"><a name="L450"></a><tt class="py-lineno">450</tt> <a class="py-toggle" href="#" id="Agent.predict-toggle" onclick="return toggle('Agent.predict');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#predict">predict</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">vector</tt><tt class="py-op">,</tt><tt class="py-param">name</tt><tt class="py-op">,</tt><tt class="py-param">V</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.predict-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.predict-expanded"><a name="L451"></a><tt class="py-lineno">451</tt>  <tt class="py-line">        <tt class="py-name">choices</tt> <tt class="py-op">=</tt> <tt id="link-155" class="py-name"><a title="psychsim.probability.Distribution" class="py-name" href="#" onclick="return doclink('link-155', 'Distribution', 'link-5');">Distribution</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L452"></a><tt class="py-lineno">452</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">name</tt> <tt class="py-op">==</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">:</tt> </tt>
<a name="L453"></a><tt class="py-lineno">453</tt>  <tt class="py-line">            <tt class="py-comment"># I predict myself to maximize</tt> </tt>
<a name="L454"></a><tt class="py-lineno">454</tt>  <tt class="py-line">            <tt class="py-name">best</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L455"></a><tt class="py-lineno">455</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt id="link-156" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-156', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt id="link-157" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-157', 'value', 'link-30');">value</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">V</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L456"></a><tt class="py-lineno">456</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">best</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt> <tt class="py-keyword">or</tt> <tt id="link-158" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-158', 'value', 'link-30');">value</a></tt> <tt class="py-op">&gt;</tt> <tt class="py-name">best</tt><tt class="py-op">:</tt> </tt>
<a name="L457"></a><tt class="py-lineno">457</tt>  <tt class="py-line">                    <tt class="py-name">best</tt> <tt class="py-op">=</tt> <tt id="link-159" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-159', 'value', 'link-30');">value</a></tt> </tt>
<a name="L458"></a><tt class="py-lineno">458</tt>  <tt class="py-line">            <tt class="py-name">best</tt> <tt class="py-op">=</tt> <tt id="link-160" class="py-name" targets="Method psychsim.pwl.KeyedVector.filter()=psychsim.pwl.KeyedVector-class.html#filter"><a title="psychsim.pwl.KeyedVector.filter" class="py-name" href="#" onclick="return doclink('link-160', 'filter', 'link-160');">filter</a></tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">a</tt><tt class="py-op">:</tt> <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">a</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-name">best</tt><tt class="py-op">,</tt><tt class="py-name">V</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L459"></a><tt class="py-lineno">459</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt id="link-161" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-161', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">best</tt><tt class="py-op">:</tt> </tt>
<a name="L460"></a><tt class="py-lineno">460</tt>  <tt class="py-line">                <tt class="py-name">choices</tt><tt class="py-op">[</tt><tt id="link-162" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-162', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-number">1.</tt><tt class="py-op">/</tt><tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">best</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L461"></a><tt class="py-lineno">461</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L462"></a><tt class="py-lineno">462</tt>  <tt class="py-line">            <tt class="py-name">rationality</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-163" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-163', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt class="py-name">agents</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-164" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-164', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt id="link-165" class="py-name" targets="Method psychsim.world.World.getMentalModel()=psychsim.world.World-class.html#getMentalModel"><a title="psychsim.world.World.getMentalModel" class="py-name" href="#" onclick="return doclink('link-165', 'getMentalModel', 'link-165');">getMentalModel</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">vector</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'rationality'</tt><tt class="py-op">]</tt> </tt>
<a name="L463"></a><tt class="py-lineno">463</tt>  <tt class="py-line">            <tt class="py-name">span</tt> <tt class="py-op">=</tt> <tt class="py-name">max</tt><tt class="py-op">(</tt><tt class="py-name">V</tt><tt class="py-op">.</tt><tt class="py-name">values</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> <tt class="py-op">-</tt> <tt class="py-name">min</tt><tt class="py-op">(</tt><tt class="py-name">V</tt><tt class="py-op">.</tt><tt class="py-name">values</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L464"></a><tt class="py-lineno">464</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">span</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">1e-6</tt><tt class="py-op">:</tt> </tt>
<a name="L465"></a><tt class="py-lineno">465</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt id="link-166" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-166', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt id="link-167" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-167', 'value', 'link-30');">value</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">V</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L466"></a><tt class="py-lineno">466</tt>  <tt class="py-line">                    <tt class="py-name">choices</tt><tt class="py-op">[</tt><tt id="link-168" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-168', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">math</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-name">rationality</tt><tt class="py-op">*</tt><tt id="link-169" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-169', 'value', 'link-30');">value</a></tt><tt class="py-op">)</tt> </tt>
<a name="L467"></a><tt class="py-lineno">467</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L468"></a><tt class="py-lineno">468</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt id="link-170" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-170', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">V</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L469"></a><tt class="py-lineno">469</tt>  <tt class="py-line">                    <tt class="py-name">choices</tt><tt class="py-op">[</tt><tt id="link-171" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-171', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-number">1.</tt><tt class="py-op">/</tt><tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">V</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L470"></a><tt class="py-lineno">470</tt>  <tt class="py-line">            <tt class="py-name">choices</tt><tt class="py-op">.</tt><tt id="link-172" class="py-name" targets="Method psychsim.probability.Distribution.normalize()=psychsim.probability.Distribution-class.html#normalize"><a title="psychsim.probability.Distribution.normalize" class="py-name" href="#" onclick="return doclink('link-172', 'normalize', 'link-172');">normalize</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L471"></a><tt class="py-lineno">471</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">choices</tt> </tt>
</div><a name="L472"></a><tt class="py-lineno">472</tt>  <tt class="py-line"> </tt>
<a name="Agent.model2index"></a><div id="Agent.model2index-def"><a name="L473"></a><tt class="py-lineno">473</tt> <a class="py-toggle" href="#" id="Agent.model2index-toggle" onclick="return toggle('Agent.model2index');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#model2index">model2index</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.model2index-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.model2index-expanded"><a name="L474"></a><tt class="py-lineno">474</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L475"></a><tt class="py-lineno">475</tt>  <tt class="py-line"><tt class="py-docstring">        Convert a model name to a numeric representation</tt> </tt>
<a name="L476"></a><tt class="py-lineno">476</tt>  <tt class="py-line"><tt class="py-docstring">        @param model: the model name</tt> </tt>
<a name="L477"></a><tt class="py-lineno">477</tt>  <tt class="py-line"><tt class="py-docstring">        @type model: str</tt> </tt>
<a name="L478"></a><tt class="py-lineno">478</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: int</tt> </tt>
<a name="L479"></a><tt class="py-lineno">479</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L480"></a><tt class="py-lineno">480</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'index'</tt><tt class="py-op">]</tt> </tt>
</div><a name="L481"></a><tt class="py-lineno">481</tt>  <tt class="py-line"> </tt>
<a name="Agent.index2model"></a><div id="Agent.index2model-def"><a name="L482"></a><tt class="py-lineno">482</tt> <a class="py-toggle" href="#" id="Agent.index2model-toggle" onclick="return toggle('Agent.index2model');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#index2model">index2model</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">index</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.index2model-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.index2model-expanded"><a name="L483"></a><tt class="py-lineno">483</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L484"></a><tt class="py-lineno">484</tt>  <tt class="py-line"><tt class="py-docstring">        Convert a numeric representation of a model to a name</tt> </tt>
<a name="L485"></a><tt class="py-lineno">485</tt>  <tt class="py-line"><tt class="py-docstring">        @param index: the numeric representation of the model</tt> </tt>
<a name="L486"></a><tt class="py-lineno">486</tt>  <tt class="py-line"><tt class="py-docstring">        @type index: int</tt> </tt>
<a name="L487"></a><tt class="py-lineno">487</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: str</tt> </tt>
<a name="L488"></a><tt class="py-lineno">488</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L489"></a><tt class="py-lineno">489</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">index</tt><tt class="py-op">,</tt><tt class="py-name">float</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L490"></a><tt class="py-lineno">490</tt>  <tt class="py-line">            <tt class="py-name">index</tt> <tt class="py-op">=</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">index</tt><tt class="py-op">+</tt><tt class="py-number">0.5</tt><tt class="py-op">)</tt> </tt>
<a name="L491"></a><tt class="py-lineno">491</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">modelList</tt><tt class="py-op">[</tt><tt class="py-name">index</tt><tt class="py-op">]</tt> </tt>
</div><a name="L492"></a><tt class="py-lineno">492</tt>  <tt class="py-line"> </tt>
<a name="L493"></a><tt class="py-lineno">493</tt>  <tt class="py-line">    <tt class="py-string">"""---------------------"""</tt> </tt>
<a name="L494"></a><tt class="py-lineno">494</tt>  <tt class="py-line">    <tt class="py-string">"""Belief update methods"""</tt> </tt>
<a name="L495"></a><tt class="py-lineno">495</tt>  <tt class="py-line">    <tt class="py-string">"""---------------------"""</tt> </tt>
<a name="L496"></a><tt class="py-lineno">496</tt>  <tt class="py-line"> </tt>
<a name="Agent.setRecursiveLevel"></a><div id="Agent.setRecursiveLevel-def"><a name="L497"></a><tt class="py-lineno">497</tt> <a class="py-toggle" href="#" id="Agent.setRecursiveLevel-toggle" onclick="return toggle('Agent.setRecursiveLevel');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#setRecursiveLevel">setRecursiveLevel</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">level</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.setRecursiveLevel-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.setRecursiveLevel-expanded"><a name="L498"></a><tt class="py-lineno">498</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">model</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L499"></a><tt class="py-lineno">499</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">model</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">.</tt><tt class="py-name">values</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L500"></a><tt class="py-lineno">500</tt>  <tt class="py-line">                <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'level'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">level</tt> </tt>
<a name="L501"></a><tt class="py-lineno">501</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L502"></a><tt class="py-lineno">502</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'level'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">level</tt> </tt>
</div><a name="L503"></a><tt class="py-lineno">503</tt>  <tt class="py-line"> </tt>
<a name="Agent.setBelief"></a><div id="Agent.setBelief-def"><a name="L504"></a><tt class="py-lineno">504</tt> <a class="py-toggle" href="#" id="Agent.setBelief-toggle" onclick="return toggle('Agent.setBelief');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#setBelief">setBelief</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">key</tt><tt class="py-op">,</tt><tt class="py-param">distribution</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.setBelief-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.setBelief-expanded"><a name="L505"></a><tt class="py-lineno">505</tt>  <tt class="py-line">        <tt class="py-name">beliefs</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'beliefs'</tt><tt class="py-op">]</tt> </tt>
<a name="L506"></a><tt class="py-lineno">506</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">beliefs</tt> <tt class="py-keyword">is</tt> <tt class="py-name">True</tt><tt class="py-op">:</tt> </tt>
<a name="L507"></a><tt class="py-lineno">507</tt>  <tt class="py-line">            <tt class="py-name">beliefs</tt> <tt class="py-op">=</tt> <tt id="link-173" class="py-name" targets="Class psychsim.pwl.VectorDistribution=psychsim.pwl.VectorDistribution-class.html"><a title="psychsim.pwl.VectorDistribution" class="py-name" href="#" onclick="return doclink('link-173', 'VectorDistribution', 'link-173');">VectorDistribution</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt id="link-174" class="py-name" targets="Class psychsim.pwl.KeyedVector=psychsim.pwl.KeyedVector-class.html"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-174', 'KeyedVector', 'link-174');">KeyedVector</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt id="link-175" class="py-name" targets="Variable psychsim.pwl.CONSTANT=psychsim.pwl-module.html#CONSTANT"><a title="psychsim.pwl.CONSTANT" class="py-name" href="#" onclick="return doclink('link-175', 'CONSTANT', 'link-175');">CONSTANT</a></tt><tt class="py-op">:</tt> <tt class="py-number">1.</tt><tt class="py-op">}</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-number">1.</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L508"></a><tt class="py-lineno">508</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'beliefs'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">beliefs</tt> </tt>
<a name="L509"></a><tt class="py-lineno">509</tt>  <tt class="py-line">        <tt class="py-name">beliefs</tt><tt class="py-op">.</tt><tt id="link-176" class="py-name" targets="Method psychsim.pwl.VectorDistribution.join()=psychsim.pwl.VectorDistribution-class.html#join"><a title="psychsim.pwl.VectorDistribution.join" class="py-name" href="#" onclick="return doclink('link-176', 'join', 'link-176');">join</a></tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">,</tt><tt class="py-name">distribution</tt><tt class="py-op">)</tt> </tt>
</div><a name="L510"></a><tt class="py-lineno">510</tt>  <tt class="py-line"> </tt>
<a name="Agent.getBelief"></a><div id="Agent.getBelief-def"><a name="L511"></a><tt class="py-lineno">511</tt> <a class="py-toggle" href="#" id="Agent.getBelief-toggle" onclick="return toggle('Agent.getBelief');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#getBelief">getBelief</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">,</tt><tt class="py-param">world</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.getBelief-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.getBelief-expanded"><a name="L512"></a><tt class="py-lineno">512</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-177" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-177', 'world', 'link-6');">world</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L513"></a><tt class="py-lineno">513</tt>  <tt class="py-line">            <tt id="link-178" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-178', 'world', 'link-6');">world</a></tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-179" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-179', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt class="py-name">state</tt> </tt>
<a name="L514"></a><tt class="py-lineno">514</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt id="link-180" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-180', 'world', 'link-6');">world</a></tt><tt class="py-op">,</tt><tt id="link-181" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-181', 'KeyedVector', 'link-174');">KeyedVector</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L515"></a><tt class="py-lineno">515</tt>  <tt class="py-line">            <tt id="link-182" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-182', 'world', 'link-6');">world</a></tt> <tt class="py-op">=</tt> <tt id="link-183" class="py-name"><a title="psychsim.pwl.VectorDistribution" class="py-name" href="#" onclick="return doclink('link-183', 'VectorDistribution', 'link-173');">VectorDistribution</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt id="link-184" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-184', 'world', 'link-6');">world</a></tt><tt class="py-op">:</tt> <tt class="py-number">1.</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L516"></a><tt class="py-lineno">516</tt>  <tt class="py-line">        <tt class="py-name">beliefs</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">model</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'beliefs'</tt><tt class="py-op">]</tt> </tt>
<a name="L517"></a><tt class="py-lineno">517</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">beliefs</tt> <tt class="py-keyword">is</tt> <tt class="py-name">True</tt><tt class="py-op">:</tt> </tt>
<a name="L518"></a><tt class="py-lineno">518</tt>  <tt class="py-line">            <tt class="py-name">beliefs</tt> <tt class="py-op">=</tt> <tt id="link-185" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-185', 'world', 'link-6');">world</a></tt> </tt>
<a name="L519"></a><tt class="py-lineno">519</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L520"></a><tt class="py-lineno">520</tt>  <tt class="py-line">            <tt class="py-name">beliefs</tt> <tt class="py-op">=</tt> <tt id="link-186" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-186', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt id="link-187" class="py-name" targets="Method psychsim.pwl.VectorDistribution.merge()=psychsim.pwl.VectorDistribution-class.html#merge"><a title="psychsim.pwl.VectorDistribution.merge" class="py-name" href="#" onclick="return doclink('link-187', 'merge', 'link-187');">merge</a></tt><tt class="py-op">(</tt><tt class="py-name">beliefs</tt><tt class="py-op">)</tt> </tt>
<a name="L521"></a><tt class="py-lineno">521</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">beliefs</tt> </tt>
</div><a name="L522"></a><tt class="py-lineno">522</tt>  <tt class="py-line"> </tt>
<a name="Agent.printBeliefs"></a><div id="Agent.printBeliefs-def"><a name="L523"></a><tt class="py-lineno">523</tt> <a class="py-toggle" href="#" id="Agent.printBeliefs-toggle" onclick="return toggle('Agent.printBeliefs');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#printBeliefs">printBeliefs</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.printBeliefs-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.printBeliefs-expanded"><a name="L524"></a><tt class="py-lineno">524</tt>  <tt class="py-line">        <tt class="py-name">beliefs</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-188" class="py-name"><a title="psychsim.agent.Agent.getBelief" class="py-name" href="#" onclick="return doclink('link-188', 'getBelief', 'link-12');">getBelief</a></tt><tt class="py-op">(</tt><tt class="py-name">model</tt><tt class="py-op">)</tt> </tt>
<a name="L525"></a><tt class="py-lineno">525</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-189" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-189', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt id="link-190" class="py-name" targets="Method psychsim.world.World.printState()=psychsim.world.World-class.html#printState"><a title="psychsim.world.World.printState" class="py-name" href="#" onclick="return doclink('link-190', 'printState', 'link-190');">printState</a></tt><tt class="py-op">(</tt><tt class="py-name">beliefs</tt><tt class="py-op">)</tt> </tt>
</div><a name="L526"></a><tt class="py-lineno">526</tt>  <tt class="py-line"> </tt>
<a name="Agent.observe"></a><div id="Agent.observe-def"><a name="L527"></a><tt class="py-lineno">527</tt> <a class="py-toggle" href="#" id="Agent.observe-toggle" onclick="return toggle('Agent.observe');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#observe">observe</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">state</tt><tt class="py-op">,</tt><tt class="py-param">actions</tt><tt class="py-op">,</tt><tt class="py-param">model</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.observe-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.observe-expanded"><a name="L528"></a><tt class="py-lineno">528</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L529"></a><tt class="py-lineno">529</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the post-observation beliefs of this agent</tt> </tt>
<a name="L530"></a><tt class="py-lineno">530</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L531"></a><tt class="py-lineno">531</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">actions</tt> </tt>
</div><a name="L532"></a><tt class="py-lineno">532</tt>  <tt class="py-line"> </tt>
<a name="L533"></a><tt class="py-lineno">533</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L534"></a><tt class="py-lineno">534</tt>  <tt class="py-line">    <tt class="py-string">"""Serialization methods"""</tt> </tt>
<a name="L535"></a><tt class="py-lineno">535</tt>  <tt class="py-line">    <tt class="py-string">"""------------------"""</tt> </tt>
<a name="L536"></a><tt class="py-lineno">536</tt>  <tt class="py-line">             </tt>
<a name="Agent.__copy__"></a><div id="Agent.__copy__-def"><a name="L537"></a><tt class="py-lineno">537</tt> <a class="py-toggle" href="#" id="Agent.__copy__-toggle" onclick="return toggle('Agent.__copy__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#__copy__">__copy__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.__copy__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.__copy__-expanded"><a name="L538"></a><tt class="py-lineno">538</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__class__</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-191" class="py-name" targets="Method psychsim.action.Action.__xml__()=psychsim.action.Action-class.html#__xml__,Method psychsim.action.ActionSet.__xml__()=psychsim.action.ActionSet-class.html#__xml__,Method psychsim.agent.Agent.__xml__()=psychsim.agent.Agent-class.html#__xml__,Method psychsim.agent.ValueFunction.__xml__()=psychsim.agent.ValueFunction-class.html#__xml__,Method psychsim.probability.Distribution.__xml__()=psychsim.probability.Distribution-class.html#__xml__,Method psychsim.pwl.KeyedMatrix.__xml__()=psychsim.pwl.KeyedMatrix-class.html#__xml__,Method psychsim.pwl.KeyedPlane.__xml__()=psychsim.pwl.KeyedPlane-class.html#__xml__,Method psychsim.pwl.KeyedTree.__xml__()=psychsim.pwl.KeyedTree-class.html#__xml__,Method psychsim.pwl.KeyedVector.__xml__()=psychsim.pwl.KeyedVector-class.html#__xml__,Method psychsim.world.World.__xml__()=psychsim.world.World-class.html#__xml__"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-191', '__xml__', 'link-191');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L539"></a><tt class="py-lineno">539</tt>  <tt class="py-line"> </tt>
<a name="Agent.__xml__"></a><div id="Agent.__xml__-def"><a name="L540"></a><tt class="py-lineno">540</tt> <a class="py-toggle" href="#" id="Agent.__xml__-toggle" onclick="return toggle('Agent.__xml__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#__xml__">__xml__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.__xml__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.__xml__-expanded"><a name="L541"></a><tt class="py-lineno">541</tt>  <tt class="py-line">        <tt class="py-name">doc</tt> <tt class="py-op">=</tt> <tt class="py-name">Document</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L542"></a><tt class="py-lineno">542</tt>  <tt class="py-line">        <tt id="link-192" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-192', 'root', 'link-144');">root</a></tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'agent'</tt><tt class="py-op">)</tt> </tt>
<a name="L543"></a><tt class="py-lineno">543</tt>  <tt class="py-line">        <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt id="link-193" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-193', 'root', 'link-144');">root</a></tt><tt class="py-op">)</tt> </tt>
<a name="L544"></a><tt class="py-lineno">544</tt>  <tt class="py-line">        <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">.</tt><tt class="py-name">setAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'name'</tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L545"></a><tt class="py-lineno">545</tt>  <tt class="py-line">        <tt class="py-comment"># Actions</tt> </tt>
<a name="L546"></a><tt class="py-lineno">546</tt>  <tt class="py-line">        <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'actions'</tt><tt class="py-op">)</tt> </tt>
<a name="L547"></a><tt class="py-lineno">547</tt>  <tt class="py-line">        <tt id="link-194" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-194', 'root', 'link-144');">root</a></tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">)</tt> </tt>
<a name="L548"></a><tt class="py-lineno">548</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt id="link-195" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-195', 'action', 'link-0');">action</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">actions</tt><tt class="py-op">:</tt> </tt>
<a name="L549"></a><tt class="py-lineno">549</tt>  <tt class="py-line">            <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt id="link-196" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-196', 'action', 'link-0');">action</a></tt><tt class="py-op">.</tt><tt id="link-197" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-197', '__xml__', 'link-191');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L550"></a><tt class="py-lineno">550</tt>  <tt class="py-line">        <tt class="py-comment"># Conditions for legality of actions</tt> </tt>
<a name="L551"></a><tt class="py-lineno">551</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt id="link-198" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-198', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt class="py-name">tree</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">legal</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L552"></a><tt class="py-lineno">552</tt>  <tt class="py-line">            <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'legal'</tt><tt class="py-op">)</tt> </tt>
<a name="L553"></a><tt class="py-lineno">553</tt>  <tt class="py-line">            <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt id="link-199" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-199', 'action', 'link-0');">action</a></tt><tt class="py-op">.</tt><tt id="link-200" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-200', '__xml__', 'link-191');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L554"></a><tt class="py-lineno">554</tt>  <tt class="py-line">            <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">tree</tt><tt class="py-op">.</tt><tt id="link-201" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-201', '__xml__', 'link-191');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L555"></a><tt class="py-lineno">555</tt>  <tt class="py-line">            <tt id="link-202" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-202', 'root', 'link-144');">root</a></tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">)</tt> </tt>
<a name="L556"></a><tt class="py-lineno">556</tt>  <tt class="py-line">        <tt class="py-comment"># Observations</tt> </tt>
<a name="L557"></a><tt class="py-lineno">557</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">omega</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">omega</tt><tt class="py-op">:</tt> </tt>
<a name="L558"></a><tt class="py-lineno">558</tt>  <tt class="py-line">            <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'omega'</tt><tt class="py-op">)</tt> </tt>
<a name="L559"></a><tt class="py-lineno">559</tt>  <tt class="py-line">            <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createTextNode</tt><tt class="py-op">(</tt><tt class="py-name">omega</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L560"></a><tt class="py-lineno">560</tt>  <tt class="py-line">            <tt id="link-203" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-203', 'root', 'link-144');">root</a></tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">)</tt> </tt>
<a name="L561"></a><tt class="py-lineno">561</tt>  <tt class="py-line">        <tt class="py-comment"># Models</tt> </tt>
<a name="L562"></a><tt class="py-lineno">562</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">name</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">modelList</tt><tt class="py-op">:</tt> </tt>
<a name="L563"></a><tt class="py-lineno">563</tt>  <tt class="py-line">            <tt class="py-name">model</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">models</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> </tt>
<a name="L564"></a><tt class="py-lineno">564</tt>  <tt class="py-line">            <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'model'</tt><tt class="py-op">)</tt> </tt>
<a name="L565"></a><tt class="py-lineno">565</tt>  <tt class="py-line">            <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">setAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'name'</tt><tt class="py-op">,</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L566"></a><tt class="py-lineno">566</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">key</tt> <tt class="py-keyword">in</tt> <tt id="link-204" class="py-name"><a title="psychsim.pwl.KeyedVector.filter" class="py-name" href="#" onclick="return doclink('link-204', 'filter', 'link-160');">filter</a></tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">k</tt><tt class="py-op">:</tt> <tt class="py-keyword">not</tt> <tt class="py-name">k</tt> <tt class="py-keyword">in</tt> <tt class="py-op">[</tt><tt class="py-string">'name'</tt><tt class="py-op">,</tt><tt class="py-string">'index'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">model</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L567"></a><tt class="py-lineno">567</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'R'</tt><tt class="py-op">:</tt> </tt>
<a name="L568"></a><tt class="py-lineno">568</tt>  <tt class="py-line">                    <tt class="py-comment"># Reward function for this model</tt> </tt>
<a name="L569"></a><tt class="py-lineno">569</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'R'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">True</tt><tt class="py-op">:</tt> </tt>
<a name="L570"></a><tt class="py-lineno">570</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
<a name="L571"></a><tt class="py-lineno">571</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createTextNode</tt><tt class="py-op">(</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L572"></a><tt class="py-lineno">572</tt>  <tt class="py-line">                        <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L573"></a><tt class="py-lineno">573</tt>  <tt class="py-line">                    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L574"></a><tt class="py-lineno">574</tt>  <tt class="py-line">                        <tt class="py-keyword">for</tt> <tt class="py-name">tree</tt><tt class="py-op">,</tt><tt class="py-name">weight</tt> <tt class="py-keyword">in</tt> <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'R'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L575"></a><tt class="py-lineno">575</tt>  <tt class="py-line">                            <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
<a name="L576"></a><tt class="py-lineno">576</tt>  <tt class="py-line">                            <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">setAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'weight'</tt><tt class="py-op">,</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">weight</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L577"></a><tt class="py-lineno">577</tt>  <tt class="py-line">                            <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">tree</tt><tt class="py-op">.</tt><tt id="link-205" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-205', '__xml__', 'link-191');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L578"></a><tt class="py-lineno">578</tt>  <tt class="py-line">                            <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L579"></a><tt class="py-lineno">579</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'V'</tt><tt class="py-op">:</tt> </tt>
<a name="L580"></a><tt class="py-lineno">580</tt>  <tt class="py-line">                    <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-206" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-206', '__xml__', 'link-191');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L581"></a><tt class="py-lineno">581</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'ignore'</tt><tt class="py-op">:</tt> </tt>
<a name="L582"></a><tt class="py-lineno">582</tt>  <tt class="py-line">                    <tt class="py-keyword">for</tt> <tt class="py-name">key</tt> <tt class="py-keyword">in</tt> <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'ignore'</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L583"></a><tt class="py-lineno">583</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
<a name="L584"></a><tt class="py-lineno">584</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createTextNode</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L585"></a><tt class="py-lineno">585</tt>  <tt class="py-line">                        <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L586"></a><tt class="py-lineno">586</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'policy'</tt><tt class="py-op">:</tt> </tt>
<a name="L587"></a><tt class="py-lineno">587</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'policy'</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L588"></a><tt class="py-lineno">588</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
<a name="L589"></a><tt class="py-lineno">589</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'policy'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-207" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-207', '__xml__', 'link-191');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L590"></a><tt class="py-lineno">590</tt>  <tt class="py-line">                        <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L591"></a><tt class="py-lineno">591</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'beliefs'</tt><tt class="py-op">:</tt> </tt>
<a name="L592"></a><tt class="py-lineno">592</tt>  <tt class="py-line">                    <tt class="py-comment"># Beliefs for this model</tt> </tt>
<a name="L593"></a><tt class="py-lineno">593</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'beliefs'</tt><tt class="py-op">]</tt> <tt class="py-keyword">is</tt> <tt class="py-name">True</tt><tt class="py-op">:</tt> </tt>
<a name="L594"></a><tt class="py-lineno">594</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
<a name="L595"></a><tt class="py-lineno">595</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createTextNode</tt><tt class="py-op">(</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L596"></a><tt class="py-lineno">596</tt>  <tt class="py-line">                        <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L597"></a><tt class="py-lineno">597</tt>  <tt class="py-line">                    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L598"></a><tt class="py-lineno">598</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
<a name="L599"></a><tt class="py-lineno">599</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-string">'beliefs'</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-208" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-208', '__xml__', 'link-191');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L600"></a><tt class="py-lineno">600</tt>  <tt class="py-line">                        <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L601"></a><tt class="py-lineno">601</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'projector'</tt><tt class="py-op">:</tt> </tt>
<a name="L602"></a><tt class="py-lineno">602</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
<a name="L603"></a><tt class="py-lineno">603</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createTextNode</tt><tt class="py-op">(</tt><tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L604"></a><tt class="py-lineno">604</tt>  <tt class="py-line">                    <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L605"></a><tt class="py-lineno">605</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L606"></a><tt class="py-lineno">606</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
<a name="L607"></a><tt class="py-lineno">607</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createTextNode</tt><tt class="py-op">(</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">model</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L608"></a><tt class="py-lineno">608</tt>  <tt class="py-line">                    <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L609"></a><tt class="py-lineno">609</tt>  <tt class="py-line">            <tt id="link-209" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-209', 'root', 'link-144');">root</a></tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">)</tt> </tt>
<a name="L610"></a><tt class="py-lineno">610</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">doc</tt> </tt>
</div><a name="L611"></a><tt class="py-lineno">611</tt>  <tt class="py-line"> </tt>
<a name="Agent.parse"></a><div id="Agent.parse-def"><a name="L612"></a><tt class="py-lineno">612</tt> <a class="py-toggle" href="#" id="Agent.parse-toggle" onclick="return toggle('Agent.parse');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.Agent-class.html#parse">parse</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">element</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Agent.parse-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Agent.parse-expanded"><a name="L613"></a><tt class="py-lineno">613</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">element</tt><tt class="py-op">.</tt><tt class="py-name">getAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'name'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L614"></a><tt class="py-lineno">614</tt>  <tt class="py-line">        <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">element</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L615"></a><tt class="py-lineno">615</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-name">node</tt><tt class="py-op">:</tt> </tt>
<a name="L616"></a><tt class="py-lineno">616</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L617"></a><tt class="py-lineno">617</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'actions'</tt><tt class="py-op">:</tt> </tt>
<a name="L618"></a><tt class="py-lineno">618</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L619"></a><tt class="py-lineno">619</tt>  <tt class="py-line">                    <tt class="py-keyword">while</tt> <tt class="py-name">subnode</tt><tt class="py-op">:</tt> </tt>
<a name="L620"></a><tt class="py-lineno">620</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L621"></a><tt class="py-lineno">621</tt>  <tt class="py-line">                            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">actions</tt><tt class="py-op">.</tt><tt class="py-name">add</tt><tt class="py-op">(</tt><tt id="link-210" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-210', 'ActionSet', 'link-2');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">childNodes</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L622"></a><tt class="py-lineno">622</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L623"></a><tt class="py-lineno">623</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'omega'</tt><tt class="py-op">:</tt> </tt>
<a name="L624"></a><tt class="py-lineno">624</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">omega</tt><tt class="py-op">.</tt><tt class="py-name">add</tt><tt class="py-op">(</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">strip</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L625"></a><tt class="py-lineno">625</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'model'</tt><tt class="py-op">:</tt> </tt>
<a name="L626"></a><tt class="py-lineno">626</tt>  <tt class="py-line">                    <tt class="py-comment"># Parse model name</tt> </tt>
<a name="L627"></a><tt class="py-lineno">627</tt>  <tt class="py-line">                    <tt class="py-name">name</tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">getAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'name'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L628"></a><tt class="py-lineno">628</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">name</tt> <tt class="py-op">==</tt> <tt class="py-string">'True'</tt><tt class="py-op">:</tt> </tt>
<a name="L629"></a><tt class="py-lineno">629</tt>  <tt class="py-line">                        <tt class="py-name">name</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L630"></a><tt class="py-lineno">630</tt>  <tt class="py-line">                    <tt class="py-comment"># Parse children</tt> </tt>
<a name="L631"></a><tt class="py-lineno">631</tt>  <tt class="py-line">                    <tt class="py-name">kwargs</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'R'</tt><tt class="py-op">:</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt><tt class="py-op">,</tt><tt class="py-string">'ignore'</tt><tt class="py-op">:</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">}</tt> </tt>
<a name="L632"></a><tt class="py-lineno">632</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L633"></a><tt class="py-lineno">633</tt>  <tt class="py-line">                    <tt class="py-keyword">while</tt> <tt class="py-name">subnode</tt><tt class="py-op">:</tt> </tt>
<a name="L634"></a><tt class="py-lineno">634</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L635"></a><tt class="py-lineno">635</tt>  <tt class="py-line">                            <tt class="py-name">key</tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt><tt class="py-op">)</tt> </tt>
<a name="L636"></a><tt class="py-lineno">636</tt>  <tt class="py-line">                            <tt class="py-keyword">if</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'V'</tt><tt class="py-op">:</tt> </tt>
<a name="L637"></a><tt class="py-lineno">637</tt>  <tt class="py-line">                                <tt class="py-name">kwargs</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-211" class="py-name"><a title="psychsim.agent.ValueFunction" class="py-name" href="#" onclick="return doclink('link-211', 'ValueFunction', 'link-151');">ValueFunction</a></tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L638"></a><tt class="py-lineno">638</tt>  <tt class="py-line">                            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L639"></a><tt class="py-lineno">639</tt>  <tt class="py-line">                                <tt class="py-comment"># Parse component elements</tt> </tt>
<a name="L640"></a><tt class="py-lineno">640</tt>  <tt class="py-line">                                <tt class="py-name">subchild</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L641"></a><tt class="py-lineno">641</tt>  <tt class="py-line">                                <tt class="py-keyword">while</tt> <tt class="py-name">subchild</tt><tt class="py-op">:</tt> </tt>
<a name="L642"></a><tt class="py-lineno">642</tt>  <tt class="py-line">                                    <tt class="py-keyword">if</tt> <tt class="py-name">subchild</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subchild</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L643"></a><tt class="py-lineno">643</tt>  <tt class="py-line">                                        <tt class="py-keyword">if</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'R'</tt><tt class="py-op">:</tt> </tt>
<a name="L644"></a><tt class="py-lineno">644</tt>  <tt class="py-line">                                            <tt class="py-name">kwargs</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-212" class="py-name" targets="Class psychsim.pwl.KeyedTree=psychsim.pwl.KeyedTree-class.html"><a title="psychsim.pwl.KeyedTree" class="py-name" href="#" onclick="return doclink('link-212', 'KeyedTree', 'link-212');">KeyedTree</a></tt><tt class="py-op">(</tt><tt class="py-name">subchild</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">getAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'weight'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L645"></a><tt class="py-lineno">645</tt>  <tt class="py-line">                                        <tt class="py-keyword">elif</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'policy'</tt><tt class="py-op">:</tt> </tt>
<a name="L646"></a><tt class="py-lineno">646</tt>  <tt class="py-line">                                            <tt class="py-name">kwargs</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-213" class="py-name"><a title="psychsim.pwl.KeyedTree" class="py-name" href="#" onclick="return doclink('link-213', 'KeyedTree', 'link-212');">KeyedTree</a></tt><tt class="py-op">(</tt><tt class="py-name">subchild</tt><tt class="py-op">)</tt> </tt>
<a name="L647"></a><tt class="py-lineno">647</tt>  <tt class="py-line">                                        <tt class="py-keyword">elif</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'beliefs'</tt><tt class="py-op">:</tt> </tt>
<a name="L648"></a><tt class="py-lineno">648</tt>  <tt class="py-line">                                            <tt class="py-name">kwargs</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-214" class="py-name"><a title="psychsim.pwl.VectorDistribution" class="py-name" href="#" onclick="return doclink('link-214', 'VectorDistribution', 'link-173');">VectorDistribution</a></tt><tt class="py-op">(</tt><tt class="py-name">subchild</tt><tt class="py-op">)</tt> </tt>
<a name="L649"></a><tt class="py-lineno">649</tt>  <tt class="py-line">                                        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L650"></a><tt class="py-lineno">650</tt>  <tt class="py-line">                                            <tt class="py-keyword">raise</tt> <tt class="py-name">NameError</tt><tt class="py-op">,</tt><tt class="py-string">'Unknown element found when parsing model\'s %s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt> </tt>
<a name="L651"></a><tt class="py-lineno">651</tt>  <tt class="py-line">                                    <tt class="py-keyword">elif</tt> <tt class="py-name">subchild</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subchild</tt><tt class="py-op">.</tt><tt class="py-name">TEXT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L652"></a><tt class="py-lineno">652</tt>  <tt class="py-line">                                        <tt class="py-name">text</tt> <tt class="py-op">=</tt> <tt class="py-name">subchild</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">.</tt><tt class="py-name">strip</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L653"></a><tt class="py-lineno">653</tt>  <tt class="py-line">                                        <tt class="py-keyword">if</tt> <tt class="py-name">text</tt><tt class="py-op">:</tt> </tt>
<a name="L654"></a><tt class="py-lineno">654</tt>  <tt class="py-line">                                            <tt class="py-keyword">if</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'ignore'</tt><tt class="py-op">:</tt> </tt>
<a name="L655"></a><tt class="py-lineno">655</tt>  <tt class="py-line">                                                <tt class="py-name">kwargs</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">text</tt><tt class="py-op">)</tt> </tt>
<a name="L656"></a><tt class="py-lineno">656</tt>  <tt class="py-line">                                            <tt class="py-keyword">elif</tt> <tt class="py-name">text</tt> <tt class="py-op">==</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">True</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L657"></a><tt class="py-lineno">657</tt>  <tt class="py-line">                                                <tt class="py-name">kwargs</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L658"></a><tt class="py-lineno">658</tt>  <tt class="py-line">                                            <tt class="py-keyword">elif</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'horizon'</tt><tt class="py-op">:</tt> </tt>
<a name="L659"></a><tt class="py-lineno">659</tt>  <tt class="py-line">                                                <tt class="py-name">kwargs</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">text</tt><tt class="py-op">)</tt> </tt>
<a name="L660"></a><tt class="py-lineno">660</tt>  <tt class="py-line">                                            <tt class="py-keyword">elif</tt> <tt class="py-name">key</tt> <tt class="py-op">==</tt> <tt class="py-string">'projector'</tt><tt class="py-op">:</tt> </tt>
<a name="L661"></a><tt class="py-lineno">661</tt>  <tt class="py-line">                                                <tt class="py-name">kwargs</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">eval</tt><tt class="py-op">(</tt><tt class="py-string">'Distribution.%s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">text</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L662"></a><tt class="py-lineno">662</tt>  <tt class="py-line">                                            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L663"></a><tt class="py-lineno">663</tt>  <tt class="py-line">                                                <tt class="py-name">kwargs</tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">text</tt><tt class="py-op">)</tt> </tt>
<a name="L664"></a><tt class="py-lineno">664</tt>  <tt class="py-line">                                    <tt class="py-name">subchild</tt> <tt class="py-op">=</tt> <tt class="py-name">subchild</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L665"></a><tt class="py-lineno">665</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L666"></a><tt class="py-lineno">666</tt>  <tt class="py-line">                    <tt class="py-comment"># Add new model</tt> </tt>
<a name="L667"></a><tt class="py-lineno">667</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-215" class="py-name"><a title="psychsim.agent.Agent.addModel" class="py-name" href="#" onclick="return doclink('link-215', 'addModel', 'link-11');">addModel</a></tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-op">**</tt><tt class="py-name">kwargs</tt><tt class="py-op">)</tt> </tt>
<a name="L668"></a><tt class="py-lineno">668</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'legal'</tt><tt class="py-op">:</tt> </tt>
<a name="L669"></a><tt class="py-lineno">669</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L670"></a><tt class="py-lineno">670</tt>  <tt class="py-line">                    <tt class="py-keyword">while</tt> <tt class="py-name">subnode</tt><tt class="py-op">:</tt> </tt>
<a name="L671"></a><tt class="py-lineno">671</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L672"></a><tt class="py-lineno">672</tt>  <tt class="py-line">                            <tt class="py-keyword">if</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'option'</tt><tt class="py-op">:</tt> </tt>
<a name="L673"></a><tt class="py-lineno">673</tt>  <tt class="py-line">                                <tt id="link-216" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-216', 'action', 'link-0');">action</a></tt> <tt class="py-op">=</tt> <tt id="link-217" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-217', 'ActionSet', 'link-2');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">childNodes</tt><tt class="py-op">)</tt> </tt>
<a name="L674"></a><tt class="py-lineno">674</tt>  <tt class="py-line">                            <tt class="py-keyword">elif</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'tree'</tt><tt class="py-op">:</tt> </tt>
<a name="L675"></a><tt class="py-lineno">675</tt>  <tt class="py-line">                                <tt class="py-name">tree</tt> <tt class="py-op">=</tt> <tt id="link-218" class="py-name"><a title="psychsim.pwl.KeyedTree" class="py-name" href="#" onclick="return doclink('link-218', 'KeyedTree', 'link-212');">KeyedTree</a></tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L676"></a><tt class="py-lineno">676</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L677"></a><tt class="py-lineno">677</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">legal</tt><tt class="py-op">[</tt><tt id="link-219" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-219', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">tree</tt> </tt>
<a name="L678"></a><tt class="py-lineno">678</tt>  <tt class="py-line">            <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
</div></div><a name="L679"></a><tt class="py-lineno">679</tt>  <tt class="py-line"> </tt>
<a name="ValueFunction"></a><div id="ValueFunction-def"><a name="L680"></a><tt class="py-lineno">680</tt> <a class="py-toggle" href="#" id="ValueFunction-toggle" onclick="return toggle('ValueFunction');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="psychsim.agent.ValueFunction-class.html">ValueFunction</a><tt class="py-op">:</tt> </tt>
</div><div id="ValueFunction-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="ValueFunction-expanded"><a name="L681"></a><tt class="py-lineno">681</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L682"></a><tt class="py-lineno">682</tt>  <tt class="py-line"><tt class="py-docstring">    Representation of an agent's value function, either from caching or explicit solution</tt> </tt>
<a name="L683"></a><tt class="py-lineno">683</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="ValueFunction.__init__"></a><div id="ValueFunction.__init__-def"><a name="L684"></a><tt class="py-lineno">684</tt> <a class="py-toggle" href="#" id="ValueFunction.__init__-toggle" onclick="return toggle('ValueFunction.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.ValueFunction-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">xml</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ValueFunction.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ValueFunction.__init__-expanded"><a name="L685"></a><tt class="py-lineno">685</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">table</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L686"></a><tt class="py-lineno">686</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">xml</tt><tt class="py-op">:</tt> </tt>
<a name="L687"></a><tt class="py-lineno">687</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-220" class="py-name"><a title="psychsim.action.Action.parse
psychsim.agent.Agent.parse
psychsim.agent.ValueFunction.parse
psychsim.probability.Distribution.parse
psychsim.pwl.KeyedMatrix.parse
psychsim.pwl.KeyedPlane.parse
psychsim.pwl.KeyedTree.parse
psychsim.pwl.KeyedVector.parse
psychsim.world.World.parse" class="py-name" href="#" onclick="return doclink('link-220', 'parse', 'link-9');">parse</a></tt><tt class="py-op">(</tt><tt class="py-name">xml</tt><tt class="py-op">)</tt> </tt>
</div><a name="L688"></a><tt class="py-lineno">688</tt>  <tt class="py-line"> </tt>
<a name="ValueFunction.get"></a><div id="ValueFunction.get-def"><a name="L689"></a><tt class="py-lineno">689</tt> <a class="py-toggle" href="#" id="ValueFunction.get-toggle" onclick="return toggle('ValueFunction.get');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.ValueFunction-class.html#get">get</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">name</tt><tt class="py-op">,</tt><tt class="py-param">state</tt><tt class="py-op">,</tt><tt class="py-param">action</tt><tt class="py-op">,</tt><tt class="py-param">horizon</tt><tt class="py-op">,</tt><tt class="py-param">ignore</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ValueFunction.get-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ValueFunction.get-expanded"><a name="L690"></a><tt class="py-lineno">690</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L691"></a><tt class="py-lineno">691</tt>  <tt class="py-line">            <tt class="py-name">V</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">table</tt><tt class="py-op">[</tt><tt class="py-name">horizon</tt><tt class="py-op">]</tt> </tt>
<a name="L692"></a><tt class="py-lineno">692</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">IndexError</tt><tt class="py-op">:</tt> </tt>
<a name="L693"></a><tt class="py-lineno">693</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L694"></a><tt class="py-lineno">694</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">V</tt><tt class="py-op">:</tt> </tt>
<a name="L695"></a><tt class="py-lineno">695</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">ignore</tt><tt class="py-op">:</tt> </tt>
<a name="L696"></a><tt class="py-lineno">696</tt>  <tt class="py-line">                <tt class="py-name">substate</tt> <tt class="py-op">=</tt> <tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-221" class="py-name"><a title="psychsim.pwl.KeyedVector.filter" class="py-name" href="#" onclick="return doclink('link-221', 'filter', 'link-160');">filter</a></tt><tt class="py-op">(</tt><tt class="py-name">ignore</tt><tt class="py-op">)</tt> </tt>
<a name="L697"></a><tt class="py-lineno">697</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">V</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">substate</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L698"></a><tt class="py-lineno">698</tt>  <tt class="py-line">                    <tt id="link-222" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-222', 'value', 'link-30');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">substate</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-223" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-223', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> </tt>
<a name="L699"></a><tt class="py-lineno">699</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L700"></a><tt class="py-lineno">700</tt>  <tt class="py-line">                    <tt class="py-name">substate</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-224" class="py-name"><a title="psychsim.world" class="py-name" href="#" onclick="return doclink('link-224', 'world', 'link-6');">world</a></tt><tt class="py-op">.</tt><tt id="link-225" class="py-name" targets="Method psychsim.world.World.nearestVector()=psychsim.world.World-class.html#nearestVector"><a title="psychsim.world.World.nearestVector" class="py-name" href="#" onclick="return doclink('link-225', 'nearestVector', 'link-225');">nearestVector</a></tt><tt class="py-op">(</tt><tt class="py-name">substate</tt><tt class="py-op">,</tt><tt class="py-name">V</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L701"></a><tt class="py-lineno">701</tt>  <tt class="py-line">                    <tt id="link-226" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-226', 'value', 'link-30');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">substate</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-227" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-227', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> </tt>
<a name="L702"></a><tt class="py-lineno">702</tt>  <tt class="py-line">                <tt class="py-keyword">return</tt> <tt id="link-228" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-228', 'value', 'link-30');">value</a></tt> </tt>
<a name="L703"></a><tt class="py-lineno">703</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L704"></a><tt class="py-lineno">704</tt>  <tt class="py-line">                <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L705"></a><tt class="py-lineno">705</tt>  <tt class="py-line">                    <tt id="link-229" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-229', 'value', 'link-30');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">state</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-230" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-230', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> </tt>
<a name="L706"></a><tt class="py-lineno">706</tt>  <tt class="py-line">                    <tt class="py-keyword">return</tt> <tt id="link-231" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-231', 'value', 'link-30');">value</a></tt> </tt>
<a name="L707"></a><tt class="py-lineno">707</tt>  <tt class="py-line">                <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L708"></a><tt class="py-lineno">708</tt>  <tt class="py-line">                    <tt class="py-keyword">pass</tt> </tt>
<a name="L709"></a><tt class="py-lineno">709</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
</div><a name="L710"></a><tt class="py-lineno">710</tt>  <tt class="py-line"> </tt>
<a name="ValueFunction.set"></a><div id="ValueFunction.set-def"><a name="L711"></a><tt class="py-lineno">711</tt> <a class="py-toggle" href="#" id="ValueFunction.set-toggle" onclick="return toggle('ValueFunction.set');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.ValueFunction-class.html#set">set</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">name</tt><tt class="py-op">,</tt><tt class="py-param">state</tt><tt class="py-op">,</tt><tt class="py-param">action</tt><tt class="py-op">,</tt><tt class="py-param">horizon</tt><tt class="py-op">,</tt><tt class="py-param">value</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ValueFunction.set-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ValueFunction.set-expanded"><a name="L712"></a><tt class="py-lineno">712</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-name">True</tt><tt class="py-op">:</tt> </tt>
<a name="L713"></a><tt class="py-lineno">713</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L714"></a><tt class="py-lineno">714</tt>  <tt class="py-line">                <tt class="py-name">V</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">table</tt><tt class="py-op">[</tt><tt class="py-name">horizon</tt><tt class="py-op">]</tt> </tt>
<a name="L715"></a><tt class="py-lineno">715</tt>  <tt class="py-line">                <tt class="py-keyword">break</tt> </tt>
<a name="L716"></a><tt class="py-lineno">716</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">IndexError</tt><tt class="py-op">:</tt> </tt>
<a name="L717"></a><tt class="py-lineno">717</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">table</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L718"></a><tt class="py-lineno">718</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">V</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">state</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L719"></a><tt class="py-lineno">719</tt>  <tt class="py-line">            <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">state</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L720"></a><tt class="py-lineno">720</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">state</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L721"></a><tt class="py-lineno">721</tt>  <tt class="py-line">            <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">state</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L722"></a><tt class="py-lineno">722</tt>  <tt class="py-line">        <tt class="py-name">V</tt><tt class="py-op">[</tt><tt class="py-name">state</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt id="link-232" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-232', 'action', 'link-0');">action</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt id="link-233" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-233', 'value', 'link-30');">value</a></tt> </tt>
</div><a name="L723"></a><tt class="py-lineno">723</tt>  <tt class="py-line">     </tt>
<a name="ValueFunction.__xml__"></a><div id="ValueFunction.__xml__-def"><a name="L724"></a><tt class="py-lineno">724</tt> <a class="py-toggle" href="#" id="ValueFunction.__xml__-toggle" onclick="return toggle('ValueFunction.__xml__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.ValueFunction-class.html#__xml__">__xml__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ValueFunction.__xml__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ValueFunction.__xml__-expanded"><a name="L725"></a><tt class="py-lineno">725</tt>  <tt class="py-line">        <tt class="py-name">doc</tt> <tt class="py-op">=</tt> <tt class="py-name">Document</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L726"></a><tt class="py-lineno">726</tt>  <tt class="py-line">        <tt id="link-234" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-234', 'root', 'link-144');">root</a></tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'V'</tt><tt class="py-op">)</tt> </tt>
<a name="L727"></a><tt class="py-lineno">727</tt>  <tt class="py-line">        <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt id="link-235" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-235', 'root', 'link-144');">root</a></tt><tt class="py-op">)</tt> </tt>
<a name="L728"></a><tt class="py-lineno">728</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">horizon</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">table</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L729"></a><tt class="py-lineno">729</tt>  <tt class="py-line">            <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'table'</tt><tt class="py-op">)</tt> </tt>
<a name="L730"></a><tt class="py-lineno">730</tt>  <tt class="py-line">            <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">setAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'horizon'</tt><tt class="py-op">,</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">horizon</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L731"></a><tt class="py-lineno">731</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">state</tt><tt class="py-op">,</tt><tt class="py-name">V_s</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">table</tt><tt class="py-op">[</tt><tt class="py-name">horizon</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L732"></a><tt class="py-lineno">732</tt>  <tt class="py-line">                <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">state</tt><tt class="py-op">.</tt><tt id="link-236" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-236', '__xml__', 'link-191');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L733"></a><tt class="py-lineno">733</tt>  <tt class="py-line">                <tt class="py-keyword">for</tt> <tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">V_s_a</tt> <tt class="py-keyword">in</tt> <tt class="py-name">V_s</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L734"></a><tt class="py-lineno">734</tt>  <tt class="py-line">                    <tt class="py-keyword">for</tt> <tt id="link-237" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-237', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt class="py-name">V</tt> <tt class="py-keyword">in</tt> <tt class="py-name">V_s_a</tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L735"></a><tt class="py-lineno">735</tt>  <tt class="py-line">                        <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createElement</tt><tt class="py-op">(</tt><tt class="py-string">'value'</tt><tt class="py-op">)</tt> </tt>
<a name="L736"></a><tt class="py-lineno">736</tt>  <tt class="py-line">                        <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">setAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'agent'</tt><tt class="py-op">,</tt><tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L737"></a><tt class="py-lineno">737</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt id="link-238" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-238', 'action', 'link-0');">action</a></tt><tt class="py-op">:</tt> </tt>
<a name="L738"></a><tt class="py-lineno">738</tt>  <tt class="py-line">                            <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt id="link-239" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-239', 'action', 'link-0');">action</a></tt><tt class="py-op">.</tt><tt id="link-240" class="py-name"><a title="psychsim.action.Action.__xml__
psychsim.action.ActionSet.__xml__
psychsim.agent.Agent.__xml__
psychsim.agent.ValueFunction.__xml__
psychsim.probability.Distribution.__xml__
psychsim.pwl.KeyedMatrix.__xml__
psychsim.pwl.KeyedPlane.__xml__
psychsim.pwl.KeyedTree.__xml__
psychsim.pwl.KeyedVector.__xml__
psychsim.world.World.__xml__" class="py-name" href="#" onclick="return doclink('link-240', '__xml__', 'link-191');">__xml__</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">documentElement</tt><tt class="py-op">)</tt> </tt>
<a name="L739"></a><tt class="py-lineno">739</tt>  <tt class="py-line">                        <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">doc</tt><tt class="py-op">.</tt><tt class="py-name">createTextNode</tt><tt class="py-op">(</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">V</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L740"></a><tt class="py-lineno">740</tt>  <tt class="py-line">                        <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subsubnode</tt><tt class="py-op">)</tt> </tt>
<a name="L741"></a><tt class="py-lineno">741</tt>  <tt class="py-line">            <tt id="link-241" class="py-name"><a title="psychsim.action.Action.root" class="py-name" href="#" onclick="return doclink('link-241', 'root', 'link-144');">root</a></tt><tt class="py-op">.</tt><tt class="py-name">appendChild</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L742"></a><tt class="py-lineno">742</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">doc</tt> </tt>
</div><a name="L743"></a><tt class="py-lineno">743</tt>  <tt class="py-line"> </tt>
<a name="ValueFunction.parse"></a><div id="ValueFunction.parse-def"><a name="L744"></a><tt class="py-lineno">744</tt> <a class="py-toggle" href="#" id="ValueFunction.parse-toggle" onclick="return toggle('ValueFunction.parse');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="psychsim.agent.ValueFunction-class.html#parse">parse</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">element</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ValueFunction.parse-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ValueFunction.parse-expanded"><a name="L745"></a><tt class="py-lineno">745</tt>  <tt class="py-line">        <tt class="py-keyword">assert</tt> <tt class="py-name">element</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'V'</tt><tt class="py-op">,</tt><tt class="py-name">element</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> </tt>
<a name="L746"></a><tt class="py-lineno">746</tt>  <tt class="py-line">        <tt class="py-keyword">del</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">table</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> </tt>
<a name="L747"></a><tt class="py-lineno">747</tt>  <tt class="py-line">        <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">element</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L748"></a><tt class="py-lineno">748</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-name">node</tt><tt class="py-op">:</tt> </tt>
<a name="L749"></a><tt class="py-lineno">749</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L750"></a><tt class="py-lineno">750</tt>  <tt class="py-line">                <tt class="py-keyword">assert</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'table'</tt><tt class="py-op">,</tt><tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> </tt>
<a name="L751"></a><tt class="py-lineno">751</tt>  <tt class="py-line">                <tt class="py-name">horizon</tt> <tt class="py-op">=</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">getAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'horizon'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L752"></a><tt class="py-lineno">752</tt>  <tt class="py-line">                <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L753"></a><tt class="py-lineno">753</tt>  <tt class="py-line">                <tt class="py-keyword">while</tt> <tt class="py-name">subnode</tt><tt class="py-op">:</tt> </tt>
<a name="L754"></a><tt class="py-lineno">754</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L755"></a><tt class="py-lineno">755</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'vector'</tt><tt class="py-op">:</tt> </tt>
<a name="L756"></a><tt class="py-lineno">756</tt>  <tt class="py-line">                            <tt class="py-name">state</tt> <tt class="py-op">=</tt> <tt id="link-242" class="py-name"><a title="psychsim.pwl.KeyedVector" class="py-name" href="#" onclick="return doclink('link-242', 'KeyedVector', 'link-174');">KeyedVector</a></tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">)</tt> </tt>
<a name="L757"></a><tt class="py-lineno">757</tt>  <tt class="py-line">                        <tt class="py-keyword">elif</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'value'</tt><tt class="py-op">:</tt> </tt>
<a name="L758"></a><tt class="py-lineno">758</tt>  <tt class="py-line">                            <tt id="link-243" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-243', 'action', 'link-0');">action</a></tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L759"></a><tt class="py-lineno">759</tt>  <tt class="py-line">                            <tt id="link-244" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-244', 'agent', 'link-63');">agent</a></tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">getAttribute</tt><tt class="py-op">(</tt><tt class="py-string">'agent'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L760"></a><tt class="py-lineno">760</tt>  <tt class="py-line">                            <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L761"></a><tt class="py-lineno">761</tt>  <tt class="py-line">                            <tt class="py-keyword">while</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">:</tt> </tt>
<a name="L762"></a><tt class="py-lineno">762</tt>  <tt class="py-line">                                <tt class="py-keyword">if</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L763"></a><tt class="py-lineno">763</tt>  <tt class="py-line">                                    <tt class="py-keyword">if</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">tagName</tt> <tt class="py-op">==</tt> <tt class="py-string">'option'</tt><tt class="py-op">:</tt> </tt>
<a name="L764"></a><tt class="py-lineno">764</tt>  <tt class="py-line">                                        <tt class="py-name">actions</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L765"></a><tt class="py-lineno">765</tt>  <tt class="py-line">                                        <tt class="py-name">bottomNode</tt> <tt class="py-op">=</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">firstChild</tt> </tt>
<a name="L766"></a><tt class="py-lineno">766</tt>  <tt class="py-line">                                        <tt class="py-keyword">while</tt> <tt class="py-name">bottomNode</tt><tt class="py-op">:</tt> </tt>
<a name="L767"></a><tt class="py-lineno">767</tt>  <tt class="py-line">                                            <tt class="py-keyword">if</tt> <tt class="py-name">bottomNode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">bottomNode</tt><tt class="py-op">.</tt><tt class="py-name">ELEMENT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L768"></a><tt class="py-lineno">768</tt>  <tt class="py-line">                                                <tt class="py-name">actions</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt id="link-245" class="py-name"><a title="psychsim.action.Action" class="py-name" href="#" onclick="return doclink('link-245', 'Action', 'link-1');">Action</a></tt><tt class="py-op">(</tt><tt class="py-name">bottomNode</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L769"></a><tt class="py-lineno">769</tt>  <tt class="py-line">                                            <tt class="py-name">bottomNode</tt> <tt class="py-op">=</tt> <tt class="py-name">bottomNode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L770"></a><tt class="py-lineno">770</tt>  <tt class="py-line">                                        <tt id="link-246" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-246', 'action', 'link-0');">action</a></tt> <tt class="py-op">=</tt> <tt id="link-247" class="py-name"><a title="psychsim.action.ActionSet" class="py-name" href="#" onclick="return doclink('link-247', 'ActionSet', 'link-2');">ActionSet</a></tt><tt class="py-op">(</tt><tt class="py-name">actions</tt><tt class="py-op">)</tt> </tt>
<a name="L771"></a><tt class="py-lineno">771</tt>  <tt class="py-line">                                <tt class="py-keyword">elif</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">nodeType</tt> <tt class="py-op">==</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">TEXT_NODE</tt><tt class="py-op">:</tt> </tt>
<a name="L772"></a><tt class="py-lineno">772</tt>  <tt class="py-line">                                    <tt class="py-name">text</tt> <tt class="py-op">=</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">.</tt><tt class="py-name">strip</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L773"></a><tt class="py-lineno">773</tt>  <tt class="py-line">                                    <tt class="py-keyword">if</tt> <tt class="py-name">text</tt><tt class="py-op">:</tt> </tt>
<a name="L774"></a><tt class="py-lineno">774</tt>  <tt class="py-line">                                        <tt id="link-248" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-248', 'value', 'link-30');">value</a></tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">text</tt><tt class="py-op">)</tt> </tt>
<a name="L775"></a><tt class="py-lineno">775</tt>  <tt class="py-line">                                <tt class="py-name">subsubnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subsubnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L776"></a><tt class="py-lineno">776</tt>  <tt class="py-line">                            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-249" class="py-name"><a title="psychsim.agent.ValueFunction.set
psychsim.probability.Distribution.set" class="py-name" href="#" onclick="return doclink('link-249', 'set', 'link-7');">set</a></tt><tt class="py-op">(</tt><tt id="link-250" class="py-name"><a title="psychsim.agent" class="py-name" href="#" onclick="return doclink('link-250', 'agent', 'link-63');">agent</a></tt><tt class="py-op">,</tt><tt class="py-name">state</tt><tt class="py-op">,</tt><tt id="link-251" class="py-name"><a title="psychsim.action" class="py-name" href="#" onclick="return doclink('link-251', 'action', 'link-0');">action</a></tt><tt class="py-op">,</tt><tt class="py-name">horizon</tt><tt class="py-op">,</tt><tt id="link-252" class="py-name"><a title="psychsim.agent.Agent.value" class="py-name" href="#" onclick="return doclink('link-252', 'value', 'link-30');">value</a></tt><tt class="py-op">)</tt> </tt>
<a name="L777"></a><tt class="py-lineno">777</tt>  <tt class="py-line">                    <tt class="py-name">subnode</tt> <tt class="py-op">=</tt> <tt class="py-name">subnode</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
<a name="L778"></a><tt class="py-lineno">778</tt>  <tt class="py-line">            <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">node</tt><tt class="py-op">.</tt><tt class="py-name">nextSibling</tt> </tt>
</div></div><a name="L779"></a><tt class="py-lineno">779</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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